付费阅读全文
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
专用
人人文库
NATIONALSTANDARD
OFTHEPEOPLE'SREPUBLICOFCHINA
STANDARDFORDEBUGGINGANDACCEPTANCE
OFWIND/PV/STORAGEPOWERPLANT
GB/T51311-2018
DevelopedbyChinaElectricityCouncil
ApprovedbyTheMinistryofHousingandUrbanRuralDevelopmentofthePeople's
-
RepublicofChina
ImplementationDateMarch1,2019
专用
人人文库
ChinaPlanningPress
Beijing2024
ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2019
EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2024
byChinaPlanningPress
th
,,
4FloorCTowerGuohongBuilding
No.A11,Muxidi-Beili,Xicheng专用District
Beijing,100038
PrintedinChinabyBeijinghouchengzemingPrintingTechnologyCo.,Ltd
人人文库
©2018bytheMinistryofHousingandUrban-RuralDevelopmentof
thePeoplesRepublicofChina
Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor
,,,,,,
byanymeansgraphicelectronicormechanicalincludingphotocopyingrecording
oranyinformationstorageandretrievalsystems,withoutwrittenpermissionofthepublisher.
,,,
Thisbookissoldsubjecttotheconditionthatitshallnotbywayoftradeorotherwisebelent
,
resoldhiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof
blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition
includingthisconditionbeingimposedonthesubsequentpurchaser.
ISBN978-7-5182-1716-8
NOTICE
ThisstandardiswritteninChineseandEnglish.TheChinesetextshallbetakenastherulingone
intheeventofanyinconsistencybetweentheChinesetextandtheEnglishtext.
专用
人人文库
Introductiontoenglishversion
TheMinistryofHousingandUrbanRuralDevelopmentofthePeople'sRepublicofChinahasthe
-
mandateofmanagingtheformulationandrevisionofthisstandardinChina.
ThetranslationisidenticaltoitsChineseoriginalGB/T51311-2018Standardfordebuggingand
acceptanceofwind/PV/storagepowerplant.TranslationisorganizedbyChinaElectricityCouncilin
accordancewithdueproceduresandregulationsapplicableinChina.
TranslationofthisstandardisundertakenbyNorthChinaElectricPowerResearchInstituteCo.,
Ltd.,StateGridXinyuanZhangjiakouWind,Photovoltaic,StorageandTransmissionPilotPower
StationCo.Ltd.,StateGridElectricPowerResearchInstitute,BeijingHualianPowerEngineering
SupervisionCompany,andChinaElectricPowerResearchInstitute.
TranslationtaskforceincludesBAIKai,LIUShaoyu,CHENHao,SONGPeng,HUANGHua,
MABuyun,WUYuhui,ZHUSi,LINa,LIZhi,LIUYongsheng,WANGWei,ZHENGLi,DONG
Wenqi,QUHuaxin,LIXiangjun,ZHENGYuqing,CUIZhengpai,LIUHanmin,TENGXianliang,
RENWeixi,HUJuan,CHENBin.
ThisEnglishTranslationisreviewedbyGUOJiabao,WANGYi,XUDebao,GAOping,YU
Jinhui,ZHANGShusen,SUNYaojie,ZHUWeigang,YANGBo,YEJilei,CHENZhilei,SHIZinan,
XUAidong,SUNFeng,LIChunlai,CHENBing,NIHua,WANG专用Xiaoli.
MinistryofHousingandUrbanRuralDevelopmentofthePeople's
-
RepublicofChina
人人文库
AnnouncementoftheMinistryofHousingandUrban-Rural
DevelopmentofthePeople'sRepublicofChina
No.211(2018)
AnnouncementoftheMinistryofHousingandUrbanRural
-
DevelopmentonPublishingtheNationalStandardof
StandardforDebuggingandAcceptanceofWind/PV/StoragePowerPlant
StandardforDebuggingandAcceptanceofWind/PV/StoragePowerPlanthasbeenapproved
asanationalstandardwithaserialnumberofGB/T51311-2018,andwillbeimplementedonMarch1,
2019.
AuthorizedbytheResearchInstituteofStandardsandNormsofMinistryofHousingandUrban
-
RuralDevelopmentofthePeople'sRepublicofChina,thisstandardispublishedanddistributedby
ChinaPlanningPressandissuedonwebsite(专用.cn).
MinistryofHousingandUrbanRuralDevelopmentofthePeople'sRepublicofChina
-
September11,2018
人人文库
Foreword
AccordingtotherequirementsofDocumentJIANBIAO〔2013〕No.169issuedbytheMinistryof
HousingandUrbanRuralDevelopment(MOHURD)"NoticeonPrintingandDistributing'the
-
DevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsin2014'",this
standardhasbeenpreparedbyStateGridJibeiElectricPowerCo.,Ltd.,inconsultationwithother
relevantorganizations.
Thisstandardconsistsof8chaptersand5appendixes,covering:generalprovisions,terms,basic
requirements,equipmenttesting,subsystemtesting,combinedtesting,startupacceptanceand
-
commissioning,handoveracceptanceandcompletionacceptance,etc.
TheMinistryofHousingandUrbanRuralDevelopmentofthePeople'sRepublicofChinaisin
-
chargeofadministrationofthisstandardandexplanationofthecompulsoryprovisions.ChinaElectricity
Councilisresponsibleforroutinemanagement.NorthChinaElectricPowerResearchInstituteCo.,
Ltd.isresponsibleforexplanationofspecifictechnicalcontent.Anycommentsorrecommendations
arisingfromtheimplementationofthisstandardshouldbeaddressedtoNorthChinaElectricPower
ResearchInstituteCo.,Ltd.(Address:DianyanBuilding,No.1Dizang'anSouthLane,Xicheng
District,Beijing,China,Postcode:100045).
ChiefDevelopmentOrganization,CoDevelopmentOrganizations,ChiefDraftersandChief
-专用
Reviewersofthisstandard:
ChiefDevelopmentOrganization:
StateGridJibeiElectricPowerCo.,Ltd.
Co-DevelopmentOrganizations:
NorthChinaElectricPowerResearchInstituteCo.,Ltd.
StateGridXinyuanZhangjiakouWind,Photovoltaic,StorageandTransmission
PilotPowerStation人人文库Co.Ltd.
StateGridElectricPowerResearchInstitute
BeijingHualianPowerEngineeringSupervisionCompany
ChinaElectricPowerResearchInstitute
ChiefDrafters:
BAIKaiLIUShaoyuCHENHaoSONGPengHUANGHuaMABuyun
WUYuhuiZHUSiLINaLIZhiLIUYongshengWANGWei
ZHENGLiDONGWenqiQUHuaxinLIXiangjunZHENGYuqing
CUIZhengpaiLIUHanminTENGXianliangRENWeixiHUJuan
CHENBin
ChiefReviewers:
GUOJiabaoWANGYiXUDebaoGAOPingYUJinhuiZHANGShusen
SUNYaojieZHUWeigangYANGBoYEJileiCHENZhileiSHIZinan
XUAidongSUNFengLIChunlaiCHENBingNIHuaWANGXiaoli
Contents
1Generalprovisions………………(1)
2Terms…………………………(2)
3Basicrequirements……………(3)
4Equipmenttesting………………(4)
4.1Generalrequirements……………(4)
4.2Windpowergeneratingunittesting………………(5)
4.3Photovoltaicgeneratingunittesting………………(7)
4.4Energystorageoperationunittesting………………(9)
5Subsystemtesting………………(11)
6Combinedtesting………………(13)
6.1Generalrequirements……………(13)
6.2Basicmonitoringandcontrolfunctiontesting………(13)
6.3AGCfunctiontesting……………(14)
6.4AVCfunctiontesting……………(14)
7Startupacceptanceandcommissioning………(16)
-
7.1Generalrequirements……………专用(16)
7.2Substationstartupacceptance……………………(16)
-
7.3Commissioningandacceptanceofwind/PV/energystoragesubsystem…………………(17)
7.4Commissioningofwind/PV/storagegeneratingplant………………(18)
8Handoveracceptanceandcompletionacceptance………………(20)
8.1Handoveracceptance……………(20)
8.2Completionacceptance…………(20)
AppendixADocumentationtobe人人文库providedforacceptance………(22)
AppendixBReferencedocumentationtobeprovidedforacceptance……………(23)
AppendixCStartupacceptanceandcommissioningcertificate…………………(25)
-
AppendixDHandoveracceptancecertificate……………………(28)
AppendixECompletionacceptancecertificate…………………(31)
Explanationofwordinginthisstandard……………(34)
Listofquotedstandards……………(35)
1Generalprovisions
1.0.1Thisstandardispreparedwithaviewtoensuretheconstructionqualityofwind/PV/storage
generatingprojectandstandardizethetestingandacceptanceofwind/PV/storagegeneratingplants.
Thisstandardisapplicabletoconstruction,renovation,andextensionofonshoregridconnected
1.0.2-
wind/PV/storagegeneratingplantsof35kVandabove.
1.0.3Inadditiontotherequirementsstipulatedofthisstandard,thetestingandacceptanceofwind/
PV/storagegeneratingplantsshallalsocomplywithrequirementsstipulatedinthecurrentrelevant
standardsofthenation.
专用
人人文库
1··
2Terms
2.0.1Windpowergeneratingunit
Generatingunitconsistingofawindturbinegeneratorsystemandagridconnectedbooster
-
transformer,directlydispatchedbySCADA.
2.0.2Photovoltaicgeneratingunit
GeneratingunitconsistingofmultiplePVmodulestrings,combinerboxes,inverters,andan
isolatingboostertransformer,capableoffulfillinggridfrequencyandvoltagerequirements.
2.0.3Energystorageoperationunit
Energystorageunitconsistingofenergystoragecomponents,energystorageconverters,andagrid
-
connectedboostertransformer,whichcanbedispatcheddirectlybySCADAasanindependentloador
powersupply.
2.0.4Windpowergeneratingsubsystem
Generatingsubsystemconsistingofwindpowergeneratingunits,collectorsystem,switchgear,and
awindpowerSCADA.
2.0.5Photovoltaicsubsystem
Generatingsubsystemconsistingofphotovoltaicgenerating专用units,collectorsystem,switchgear,
andaphotovoltaicSCADA.
2.0.6Energystoragesubsystem
Subsystemconsistingofenergystorageoperationunits,collectorsystem,switchgears,andan
energystorageSCADA.
2.0.7Wind/PV/storagegeneratingplant
Hybridgeneratingplantconsistingofwindpower,PV,andelectrochemicalenergystorage,
operatedjointlyandcontrolledincoordination人人文库.
2.0.8CoordinationSCADA
SCADAthatiscapableofcoordinatingthewindpower,photovoltaic,energystoragesubsystems
andsubstationsinawind/PV/storagegeneratingplant.
2··
3Basicrequirements
3.0.1Thewind/PV/storagegeneratingplantshallbesubjected,insequency,toequipmenttesting,
subsystemtestingandcombinedtesting.Thesubsystemtestingshallnotproceedunlessequipment
testingisqualified,thecombinedtestingshallnotproceedunlesssubsystemtestingisqualified.
3.0.2Beforetesting,unitworksacceptanceshallbecompletedandequipmentshallbeinsatisfactory
conditionfortesting,andreportshallbemadetothesuperiordispatchorganization.
3.0.3Testingprogramshallbepreparedbeforetesting.Operationalsafetyshallcomplywithcurrent
nationalstandardGB26860
SafetyCodeofElectricPowerIndustry-ElectricPartofPowerPlantsand
TransformerSubstations.Thetestingreportshallbeprovidedoncetestingiscompleted.
3.0.4Testingengineersshallbefamiliarwithequipmentoperationprinciplesandhaveaknowledgeof
thebasicstructure,andthenecessarymechanical,electrical,testingandsafetyprotection,andbeableto
correctlyusethetestingtoolsandsafetyequipment.
3.0.5Testinginstrumentsshallbeinspectedperiodicallyforcompliancewiththetestingrequirements,
andshallbeusedwithinthetermofvalidityofverificationandcalibrationbyametrologicalservice.
Thewind/PV/storagegeneratingplantshallbesubjected,insequence,tostartupacceptance
3.0.6-
andcommissioning,handoveracceptanceandcompletionacceptance专用beforeformaloperation.
TheStartupAcceptanceandCommissioningCommitteeisresponsibleforstartupacceptance
3.0.7--
andcommissioning,theHandoverAcceptanceCommitteeforhandoveracceptance,andtheCompletion
AcceptanceCommitteeforcompletionacceptance.Allacceptancedecisionsateachstageshallsubject
tothereviewandapprovaloftheAcceptanceTeam(Committee).
3.0.8Acceptancedocumentationshallbeclassifiedasdocumentsforarchivalanddocumentsforfuture
reference.TheRelatedorganizationsshallbearresponsibilityfortheauthenticity,accuracy,andintegrity
ofthedocumentationandbearthecorrespondingliability.Thecontentofacceptancedocumentation
shallcomplywiththerequirements人人文库ofAppendixAandAppendixBofthisstandard.
3··
4Equipmenttesting
4.1Generalrequirements
4.1.1Equipmentfortestingshallcoversubstationequipment,windpowergeneratingunits,
photovoltaicgeneratingunits,andenergystorageoperationunits.
4.1.2Thefollowingconditionsshallbesatisfiedbeforeequipmenttesting:
1Theinstallationoftheequipmentiscompleted.Relateddocuments,suchasinstallation
records,arecompleted.
2Atemporarytestingpowersupplyisavailableonsite,andthepowervoltage,frequencyand
capacitymeetingthetestingrequirements.
Nootherlargescaleoperationsareongoingatthetestingsite.
3-
4Equipmentdocumentationandsparepartsarecompleted.
5Testingplans,andmeasurementsforsafetyandenvironmentalprotection,areprepared.
4.1.3Substationprimaryequipmenttestingshallcomplywithcurrentnationalandprofessional
standards:GB50147
CodeforConstructionandAcceptanceofHigh-voltageElectricEquipment
InstallationEngineering,GB50148CodeforConstructionandAcceptanceofPowerTransformersOil
ReactorandMutualInductor,GB50149CodeforConstruction专用andAcceptanceofBusbarInstallation
,GB50150
ofElectricEquipmentInstallationEngineeringElectricEquipmentInstallationEngineering-
,GB50168
StandardforHand-overTestofElectricEquipmentStandardforConstructionand
AcceptanceofCableLineElectricEquipmentInstallationEngineering,GB50233Codefor
ConstructionandAcceptanceof110kV-750kVOverheadTransmissionLine,GB/T20297StaticVar
,DL/T618
CompensatorFieldTestsTestCodeforOn-siteHand-overTestofGas-insulatedMetal-
andDL/T1215.4:
enclosedSwitchgearChain-circuitStaticSynchronousCompensatorPart4Field
TestsGuide.人人文库
4.1.4Substationsecondaryequipmenttestingshallcomplywithcurrentnationalandprofessional
standards:GB50171CodeforConstructionandAcceptanceofSwitchboardOutfitCompleteCubicle
andSecondaryCircuitElectricEquipmentInstallationEngineering,GB50172CodeforConstruction
andAcceptanceofBatteryElectricEquipmentInstallationEngineering,GB50254Codefor
,
ConstructionandAcceptanceofLow-voltageApparatusElectricEquipmentInstallationEngineering
GB/T26862TestSpecificationforSynchrophasorMeasurementUnitforPowerSystems,DL/T663
TestRequirementfor220kV-500kVPowerSystemFaultandDynamicsRecorder,DL/T687General
,DL/T995
SpecificationforPreventingElectricMal-operationSystemwithComputerTesting
RegulationsonProtectionandStabilityControlEquipmentandDL/T1101AcceptanceSpecification
for35kV-110kVSubstationAutomationSystem.
Substationstartuptestingshallincludethefollowing:
4.1.5-
1Withstandtestandimpactclosingtestofthemaintransformer.
2Checkingtestofprotectionsetting.
3Vectorcheckingtestofequipmentbeingputintooperation.
4Phasingandcheckingphasetestoftransmissionsystemandcollectorsystemvoltage
4··
transformers.
5Functiontestofequipmentbeingputintooperation.
6TestingofsubstationSCADA.
4.1.6Transmissionlines(cables)ofcollectorsystemshallbeenergizedwithnoloadbeforetestingof
windpowergenerating,photovoltaicgenerating,orenergystorageoperationunits.
4.1.7Theinsulationofboostertransformersandconnectioncablesforwindpowergenerating,photovoltaic
generating,andenergystorageoperationunitsshallcomplywithcurrentnationalstandardGB50150
.
ElectricEquipmentInstallationEngineering-StandardforHand-overTestofElectricEquipment
4.1.8Boostertransformersforwindpowergenerating,photovoltaicgenerating,andenergystorage
operationunitsshallbesubjectedtoimpacttestforthreetimesconsecutivewithatesttimeintervalof
notlessthan5minutes.Duringthetests,theboostertransformersshallbefreeofanyabnormalnoise
andshortcircuitorflashover,andtheprotectiondevicesshallnotactabnormally.
4.1.9Thetestingofthemeasurementandcontroldevicesofwindpowergenerating,photovoltaic
generating,andenergystorageoperationunits'boostertransformersshallincludecommunicationtestof
theremoteSCADAandfunctioncheckoftelemetry,telesignalandtelecontrol,whichshallcomplywith
thefollowingrequirements:
1Themeasurementandcontroldevices'telemetrydata,suchasvoltage,current,etc.,and
telesignaldataofswitchstate,alarmandfailureinformation,shallbedisplayedcorrectly.
2CommunicationbetweenmeasurementandcontroldevicesandremoteSCADAsshallbe
normal.专用
3SCADAs'remotetelemetrydataandtelesignaldatadisplaysshallbeconsistentwiththoseof
themeasurementandcontroldevices.
4Operationmechanismsshalloperatereliablyduringremoteoperationofthebooster
transformers'highandlowvoltagesidebreakers.
5RemoteSCADAshalllocktelecontrolcommandwhiletheboostertransformerisoperatingin
localmode.
4.2人人文库Windpowergeneratingunittesting
4.2.1Beforetesting,thegroundingconductorofthewindpowergeneratorsystemandbooster
transformershallbewellconnectedwiththegroundinggrid,withearthingresistancenotexceeding4Ω.
4.2.2Thephasesonbothsidesofthewindturbinegeneratorsystempowercableshallbeconsistent.
4.2.3Thestatictestingofthewindturbinegeneratorsystemshallcoverthetower,generator,gearbox,
maincontrolsystem,safetychain,pitchsystem,yawsystem,hydraulicsystem,andtemperaturecontrol
system,andshallcomplywiththefollowingrequirements:
1Thelightningconductorresistanceofthetowershallcomplywiththerequirementsofcurrent
professionalstandardDL/T796WindFarmSafetyProcedures.
2Testingofthegeneratorshallincludeinsulationresistancetestofthestatorandrotor,DC
resistancetest,checkforinstallationoftheslipringandcarbonbrush,alignmentcheck,etc.Testingof
doublyfedwindturbinegeneratorsystemsshallcomplywiththerequirementsofcurrentnational
-
standardsGB/T23479.1:
WindTurbine-Double-fedAsynchronousGenerator-Part1Technical
andGB/T23479.2:
SpecificationWindTurbine-Double-fedAsynchronousGenerator-Part2Testing
,andtestingofdirectdrivenwindturbinegeneratorsystemsshallcomplywiththe
Methods-
5··
requirementsofcurrentnationalstandardsGB/T25389.1
WindTurbine-PermanentMagnet
:sandGB/T25389.2
SynchronousGenerator-Part1TechnicalConditionWindTurbine-Permanent
:.
MagnetSynchronousGenerator-Part2TestingMethods
3Gearboxtestingshallincludegearboxoillevelcheck,lubricationsystemcheck,coolingfan
check,heatercheck,andoiltest,etc.,andshallcomplywiththerequirementsofnationalstandardGB/T
19073.
WindTurbine-DesignRequirementsforGearbox
Testingofmaincontrolsystemsshallincludecontrolcabinetpoweroncheck,electricalcircuit
4-
insulationresistancetest,heatercheck,localcommunicationcheck,sensorcheck,softwareversion
check,protectiontest,etc.,andshallcomplywiththerequirementsofcurrentnationalandprofessional
standardsGB/T19960.1,
WindTurbineGeneratorSystem-Part1:GeneralTechnicalSpecification
GB/T25386.1andNB/T31017
WindTurbine-ControlSystem-Part1:TechnicalCondition
TechnicalSpecificationforMainControlSystemofWindTurbineGeneratorSystem.
Testingofsafetychainshallincludeprotectiontestsofemergencystop,nacelleovervibration,
5-
cabletwisting,overspeed,overpower,etc.,andshallcomplywiththerequirementsofcurrentnational
--
standardGB/T20319.
WindTurbineGeneratorSystems-SpecificationforAcceptance
6Testingofpitchsystemsshallincludeelectricalcircuitinsulationresistancetest,heatercheck,
manualandautomaticpitchtest,featheringprotectiontest,etc.,andshallcomplywiththerequirements
ofcurrentprofessionalstandardNB/T31018TechnicalSpecificationforElectricPitchSystemof
WindTurbineGeneratorSystem.
7Testingofyawsystemsshallincludecheckandadjustment专用ofnacellepositionsensorandwind
vanezeroposition,manualandautomaticyawtest,cableuntwistprotectiontest,etc.,andshallcomply
--
withtherequirementsofcurrentprofessionalstandardsJB/T10425.1YawSystemofWindTurbine
GeneratorSystemsPart1:TechnologyConditionandJB/T10425.2YawSystemofWindTurbine
GeneratorSystemsPart2:TestMethod.
8Testingofhydraulicsystemshallincludecheckandadjustmentofvalves,greaseoillevel,
sensors,discbrakeclearance,brakeperformance,etc.,andshallcomplywithdesignrequirements.
9Thetemperatureandhumidity人人文库switchesandsensorsofnacelleswitchcabinet,nacellecontrol
cabinet,invertercabinet,maincontrolcabinet,pitchcontrolcabinet,etc.,shalloperatecorrectly.
Dynamictestingofwindturbinegeneratorsystemshallincludeconvertertesting,noload
4.2.4-
testing,ongridtesting,andlimitpowertesting,etc.,andshallcomplywiththefollowingrequirements:
-
Invertertestingshallincludeinsulationresistancetest,ongridbreakercheck,coolingsystem
1-
check,softwareversioncheck,protectiontest,etc.Testingofdoublyfedconvertershallcomplywith
-
therequirementsofcurrentnationalandprofessionalstandardsGB/T25388.1WindTurbine
andNB/T31014
GeneratorSystem-Double-fedConverter-Part1:TechnicalConditionTechnical
;andtestingoffullpower
SpecificationforConverterofDouble-fedWindTurbineGenerator-
convertersshallcomplywiththerequirementsofcurrentnationalandprofessionalstandardsGB/T
25387.1and
WindTurbineGeneratorSystems-Full-powerConverter-Part1:TechnicalCondition
NB/T31015TechnicalSpecificationforConverterofPermanentMagnetWindTurbineGenerator.
Noloadtestingshallincludeparameterandprotectioninspectionduringnoloadstartup,
2--
operation,andshutdown.Electricalandmechanicalparametersshallremainnormal.Thereshallbeno
failuresorabnormalalarm,andfeathering,emergencystop,overspeedprotectionshallactnormally.
Ongridtestingshallincludecheckofmanualorautomaticstartup,gridconnection,and
3-
6··
shutdown.Duringstartup,gridconnectionandshutdown,electricalandmechanicparameters,andnoise
andvibration,shallremainnormal,andpoweroffprotectionshallactnormally.
-
4Limitpowertestingshouldbecarriedoutunderrate
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2025年安全员B证考试试卷(重点)附答案详解
- 度安全监察人员检测卷【真题汇编】附答案详解
- 度重庆省“安全生产月”知识竞赛试题含答案
- 建党90周年党史知识竞赛试题答案
- 建筑工程技术试题及答案
- 执业中药师综合试题
- 课间活动安全第一课件
- 推理判断名师讲解重点技巧资料(含真题和答案解析)
- 落花生教学设计
- 互联网安全防范课件
- 2025考评员考试题及答案
- 1.《社会历史的决定性基础》课件+2025-2026学年统编版高二语文选择性必修中册
- 注塑件外观不良
- 2026届浙江杭州市高三一模英语读后续写解析课件(含范文)
- 2026年中国飞机MRO软件项目经营分析报告
- 2025年考研英语二真题及答案解析(完整版)
- Unit1HappyHolidaySectionB1a1d教学课件-人教版八年级英语上册
- 2025年下半年中国振华(集团)新云电子元器件限责任公司招聘易考易错模拟试题(共500题)试卷后附参考答案
- 2025年医疗健康保健品营销策略
- 人工智能通识教程 课件 第12章-提示词工程
- DB32T 5180-2025装配式钢筋骨架卡模体系应用技术标准
评论
0/150
提交评论