实施SAP R3软件中项目管理_第1页
实施SAP R3软件中项目管理_第2页
实施SAP R3软件中项目管理_第3页
实施SAP R3软件中项目管理_第4页
实施SAP R3软件中项目管理_第5页
已阅读5页,还剩89页未读 继续免费阅读

付费下载

下载本文档

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

实施SAPR3软件中项目管理

TeachingMaterialfortheDepartmentof

ProductionManagement

WIRTSCHAFTS

UNIVERSITAT

ViennaUniversityofEconomicsand

BusinessAdministration

AndreasMild

AlfredTaudes

v.1.0

1Introduction3

2Basics&Keywords4

3Gettingreadyfortheworkshop7

4CaseStudy12

4.1Casedescription12

4.2DataforProjectRealization13

5Planningtheprojectstructure14

5.1General14

5.2ImplementationinSAP16

6Scheduling25

6.1General25

6.2Basiccalculations28

6.3Implementation.^30

6.4Theprojectplanningboard39

7Costplanning&Controlling45

7.1General.45

7.2Implementation..46

8Lookingupthecosts58

9CapacityPlanning61

9.1General.61

9.2ImplementationinSAP62

10EarnedValueAnalysis66

10.1General66

10.1.1Measurementtechniques66

10.1.2CalculationofEarncd-ValueandDeviationAnalysis70

10.1.3Aggregation71

10.2Implementation71

11Execution74

11.1Implementation74

11.1.1Confirmingnetworkactivities74

11.1.2Invoices76

11.1.3Material79

12InformationSystem83

12.1Implementation83

12.1JCostreports83

12.1.2Earncd-ValueAnalysis88

13Literature94

1INTRODUCTION

Thisscriptservesasabasisfortheworkshop"ProjectManagementwithSAPR/3”.

ThisworkshopispartofaseriesofSAP-relatedworkshopswhichareheldbythe

DepartmentofProductionManagementoftheViennaUniversityofEconomicsand

BusinessAdministration,headedbyProf.Dr.AlfredTaudes.Theworkshopwas

developedbyAndreasMild.

ThegoalofthisProjectManagementWorkshopisthat,afterhavingattendedit,each

studentshouldbefamiliarwiththetheoreticalbackgroundsandbeabletoplanand

controlaproject.Theprojectmanagerhasthetaskofensuringthattheprojectis

executedefficiently,ontime,andwithinthebudget-whichhe/sheachievesby

makingcertainthattherequiredresourcesandfundsareavailablewhenneeded.

Everystudentshouldthenbeabletoputhis/herSAPknowledgeintoaction.

Tomakethecontinuousimprovementofthisscriptpossible,pleasereportmistakes

foundorideasforfurtherdevelopmenttod@wu-wien.ac.at.

2BASICS&KEYWORDS

SAPR/3isanintegratedandindustry-independentstandardsoftwarewhich

covers,integratesandconnectsallfunctionalareasinabusiness.SAPAGdefines

integrationas"definedcommunication".1AlthoughR/3isdesignedforcomplete

integration,itcanalsobeusedforacoupleofbusinessareas.23

SAPistheabbreviationforSysterne,Anwendungen,ProduktetheGermanwords

fbr"Systems,Applications,Products”.'

Projectsaretaskswithspecialcharacteristics.Attributesofaprojectarethe

followingissues:

•complexity,non-repetitivity,highrisk

•detailedgoalstobeachieved

•timerestrictions

•highcostandcapitalexpenditure

•qualityrequirements

•oftenstrategicsignificance

Tobeabletoplan,monitor,control,andcarryoutaprojectasawhole,theproject

goalsmustbepreciselydescribedandtheactivitiestobeperformedhavetobe

structured.

Aprojectcanbedescribedasfollows:

•accordingtohowitisorganized,i.e.byexplainingtheprojectstructure,

•accordingtotheprocessesinvolved.

Aprojectstartsoutasastatementofworkwhichiseitherawrittendescriptionof

theobjectivestobeachievedandthedesiredroughschedulelikestartandenddates.

Inthedescriptiononecouldincludealsoperformancemetricsandbudgetconstraints.

Aprojectisfurthersubdividedintomeaningfulpieces,refenedtoastasks.Taskstake

usuallylessthanafewmonths.Thetaskcanbefurthersubdividedintosubtasks.

Aworkpackagecanbedefinedas“agroupofactivitiescombinedtobeassignableto

asingleorganizationalunit."4

Theprojecttasks,subtasks,andworkpackagesarebroughtintoahierarchyby

definingaworkbreakdownstructure.

Theindividualelementsrepresentactivitieswithintheworkbreakdownstructureand

arecalledworkbreakdownstructureelements(WBSelements).

WBSelementscanbe;

•tasks

•partialtaskswhicharesubdividedfurther

AFOS(Hrsg.)SAPArbeit,Management.Braunschweig/Wiesbaden1996p.59

2ComputerweltNo.13of13.3.1998,p.20

3AFOS(Hrsg.)SAPArbeit,Management.Braunschweig/Wiesbaden1996p.59

4ChaseR./AquilanoN./JacobsR.ProductionandOperationsManagement:

ManufacturingandServices,p.48

•workpackages

WBScanbestructuredaccordingto

•object

•function

•phase

Whichkindofstructuringisuseddependsonthefocusoftheproject.Objects

orientationisoftenused,ifthemainpartoftheprojectisaphysicalobjectlikea

powerplant.Functionalorganisationispreferred,ifmanydifferentpartsofan

organisationormanyorganisationsareinvolved.

Inpractice,allthreekindsofstructuringareusedwithinoneWBS.

“ProjectManagementcanbedefinedasplanning,directing,andcontrolling

resources(people,equipment,material)tomeetthetechnical,costandtime

constraintsoftheproject.'"Theprimaryreasonwhyprojectsfailisinsufficient

effortintheplanningphase.*6ProjectManagementthusisconsideredasvery

important.

TheSAPProjectSystemenablescloseandconstantmonitoringofallaspectsofa

projectbyhavingconstantaccesstodatainallthedepartmentsinvolved.

Piqjectinaiiagemeiilcanbesubdividedintoprojectplanning,i.e.thetaskwhichwill

beundertakenbeforetheprojectstarts,andprojectcontrollingduringthe

implementationoftheproject.Planningmustinclude:

•organization-service

•process-dates

•costs

•capacity

Therearemanypossibleprojectgoalssuchas,forexample,torealizeapositivenet

presentvalue,toachieveahighimputedinterest,tominimizecosts,tocovercosts,to

maximizegrossprofit,orsimplytofinishasearlyaspossible.However,itis

important,thatgoalsaredefinedoperationally,thaitiswhenitispossibletomeasure

towhichextentthegoalhasbeenachieved.

Theprojectmanagerbreakstheprojectdownintoasetofactivities.Thenhealso

definestherelationshipsamongtheseactivities.Theoutcomeisaguideline

regardingtheactivitiesthatcanbeperformedinparallelandthosethathavetobe

doneinasequentialorder.Thistaskisdoneviaplanningbynetwork.

Now,thereareactivitiesthatrequirecapacitiesandresourceslikepersonneland

material.Suchresourcesarelimitedandtheserequirementshavetobeconsideredin

ordertobeabletodevelopafeasible,soundplan.Informationfromothermodulesas

e.g.thematerialplanningmoduleisrequired.

、ChaseR./AquilanoN./JacobsR.ProductionandOperationsManagement:

ManufacturingandServices,p.48

6ChaseR./AquilanoN./JacobsR.ProductionandOperationsManagement:

ManufacturingandServicesp.69

Thesystemcalculatesthematerialrequirementsforeachstepoftheprojectand

organizesthatmaterialsareboughtintimetoavoiddelays.Whenpurchasingmaterial,

thesystemtakesintoaccountordersizes,inventorypoliciesaswellasother

information.

Topreparethefinancialstatements,thevalueofworkinprogress(includingproject

work)hastobecalculated.ThisalsorequiresinteraclionofsomeR/3modules.

Thus,thesystemneedsinformationfromallbusinessareassimultaneously.Andthis

isexactlywhatintegrationdoes.

IheprojectmoduleispartottheintegratedconceptofSAPR/3providinginterfaces

toothermoduleslikeAccounting,Distribution,MaterialManagementandProduction

PlanningandControl.Eachareawithintheorganizationhasitsownstructureandits

ownviewoftheproject,butdatahastobeenteredonlyonce.

3GETTINGREADYFORTHEWORKSHOP

Thischapterprovidesinformationonthefirstuseofthesystem.

LoggingonR/3

Loggingoff

SAPR/3isaclient/serverapplication.Therefore,youhavetocanceltheconnection

withtheserverbytellingitthatyouwanttologoff.

CreateSession

Oftenitisusefultoopenmorescreens.Youcandothisbycreatinganewsession,like

anewdocumentinawordprocessor.

SAPHelp

Ifyouwanttogetsomebasicinformationaboutaspecificfield,focusthisfieldwith

yourmouseandpress<F/>.Thedialogboxindicateswhatthefieldisfor.Sometimes

evendependenciesarcexplained.

Matchcodes

Matchcodesarcusefulforfindingdata,becauseitisdifficulttoknow/rcmcmbcrthe

identificationnumberofalinepositionsuchasamaterial.

Example:

Youwanttoeditthematerialmasterofamaterial.Youdon'tknowthenumber,but

youknowthatthematenaldescriptionstartswithsomethinglike“PM”

IfyoupressF4yougelasearch-maskwhereyouareabletosearchwithwildcards

AfterhavingpressedEnteryougetalistwiththesearchresults.

HitList□

MaterialdescriptionLanguage^Material

ii

XX

PM_CABINEEN1008000000000001105I

|PMCONTRniUNITFN

PMELEUATORENGINEEN^8000000000000011041

PMENGINEENi800000000000091101j

PMMECHANICALPARTSEN^000000000000001106

“I哈|四词阴|x|

Thenyoucanselectonematerial,youcansortorcancel.

TransactionCodes

Thefollowingscreenwillbeoftenusedduringtheworkshop.Thus,wecanuse

TransactionCodesforfasteraccess.

ThenselectStructureplanning-ChangeProject.

Now,wewantto“bookmark“thisscreen.

So,welookupthetransactioncode.

Thestatusdialogboxopens:

Hereweseealotofinformationconcerningimportantrelevanttechnicaldetails.

Whereveryoufindyourselfinthesystem,youcangettothisscreenbyenteringCJ20

intheTransactionscreen.

Letusrefinethisalitllebit.Ifyouhaveseveraltransactioncodes,youmaygel

confused.Keyintheappropriatetransactioncodeandthecommenteditproject

structure.

Then,ifyouopenthecomboboxofthetransactioncodesafterhavingenteredmore

codes,youwillfindtheappropriateone.

TheStandardToolbar

Inmanyscreensyouwillfindthestandardtoolbar.

Savebutton

Whenyoupressthesavebutton,thesystemalsovalidatesyourinput.Iftherewasan

error,youhavetocorrecttheerrorfirst,beforeyoucanproceed.

Backbutton

Ifyouclickthebackbuttonyoureturntothepreviousscreenwithoutsavingyour

data.

Help

Enterbutton

Whenyouhavefinishedenteringinformationonascreen,youpresstheEnterbutton

whichperformsthesamefunctionaspressingtheEnterkey.

Exitbutton

Pressit,ifyouwanttoleavethecurrentapplicationtogobacktothepreviousmenuc.

Cancelbutton

Clickonthisbuttontoexitthecurrenttaskwithoutsaving.TheCancelbutton

performsthesamefunctionasCancelintheEditmenu.

Printbutton

H

Pagingkeys

U打站幻Q

Find/Findnextbutton

M埔

Clickonthisbutton,ifyouwanttoperformasearchfordatarequiredinthescreen

youarecurrentlyworkingin.

4CASESTUDY

4.1Casedescription

ThiscasewasdevelopedinordertodemonstratetheprojectsystemofSAPR/3.All

pricesanddataarcpurefictionandheldverysimple.

Theobjectoftheprojectisthespecificationandinstallationofanelevator.

Physically,theElevatorconsistsof

•acabine

•anengine

•mechanicalparts

•acontrolunit

Inthecourseoftheproject,thesepartsmustbeconstructed,procuredandassembled.

Attheend,anexternalinspectionoftheentiresystemisprescribed.

Theprojectmustbefinishedby30.6.2000.

Thecompanyconsistsoftwoworkcenters:

•Development(PROJ-RD)

•Installation(PROJ-INS)

SpecificationactivitiesareperformedbytheDevelopmentdepartment.Procurement

activitieswillbedoneoutsidetheprojectorganisation,andneithercostnorcapacity

considerationsareplannedwithinaprojectforprocurement.Installationisdoneby

theInstallationdepartment.

Inparticular,theactivitiesareasfollows:

ActivityDurationWorkWork-center

Specificationofthecabine1020Development

Specificationoftheengine1010Development

Specificationofmechanicalparts2010Development

Specificationofthecontrolunit210Development

Procurementofthecabine20

Procurementoftheengine50

Procurementofmechanicalparts10

Procurementofthecontrolunit10

InstallationI15100Installation

InstallationII20100Installation

ExternalInspection1external,80.000

Specificationactivitiescanbeperformedinaconsecutiveorderonly.Specification

startswiththecabine.Aftercompletion,thespecificationoftheenginecanbedone.

Then,themechanicalpartscanbedesigned.Thelastactivityisthedesignofthe

controlunit.

Afterthecompletionofeachspecificationactivity,theprocurementofthespecific

itemcanbeeffected.

AftertheprocurementofallpartstheInstallationcanstartandmustbedoneintwo

consecutivesteps(I+II).

Thefinalactivityoftheprojectisexternalinspection.

A10%planningreserveonthebaisisofplannedcostisrequired.Noactualcost

shouldbepostedtothisWBSelement.

Correspondingmaterialsassignedtothepurchasingactivities

Structure

ParametersfiirEamed-ValueAnalysis

AllspecificationactivitiesandInstallationIIusethe20-80Methodforperformance

measurement.Procurementactivitiesuse0-100method.

InstallationIhas3milestones,viz.Preparationfinished(20%),Installationfinished

(80%),Qualitychecked(100%).

4.2DataforProjectRealization

ActivityStartEndWork

Specificationofthecabine24.1.200004.2,200020

Specificationoftheengine07.2.200005.3,200030

Specificationofmechanicalparts06.3.200022.3,200020

Specificationofthecontrolunit

Procurementofthecabine06.3.200006.3.2(X)0

Procurementoftheengine07.3.200007.3,2000

Procurementofmechanicalparts08.3.200008.3.2000

Procurementofthecontrolunit09.3.200009.3.2(X)0

InstallationI

Installation11

ExternalInspection

Externalinspectionhadtobepaidinadvanceat3.2.2000(100000ATS).

Allmaterialwastakenfromstockatgiventime.

5PLANNINGTHEPROJECTSTRUCTURE

5.1General

Eachprojectstartswiththedefinitionandclassificationofthestructuresrequired

forprocessingandtheincorporationoftheseintotheexistingenterprisestructure.

TheProjectSystemhasnoorganizationalstructuresofitsown;ithastobe

incorporatedintotheexistingstructurebymakingassignmentstothe

organizationalunitsinAccountingandLogistics.7

Afterthat,theprojectisbrokendownintomeaningfulpiecesinahierarchy

reachingfromtaskstothelowestlevel,theworkpackages.

DatastructureinSAP

Asmentionedabove,theprojectmustbeincorporatedintotheexistingstructureby

assigningorganizationalunitsinAccountingandLogistics.

7SAPOnlineDocumentationIDESRelease4.0B

Projectdtfinition

-Cortrollingarea

—Companycode

WBSdements

-Businessarea

—Profitcerter

—Companycode—PIG

—Busnessarea

Networks

—Plart

—Proftcenter

-Profitcartar—Teutniudloudtiuit

-Businessarea-Responsivecosteerier

Activities

—Captalirvestmertprogram

一Jcrisdctioncode

—JLTisdctioncoda

Plart

Jdrtvertire

Internally-processed

activities

—Plart—Businesssrea

-Vtorkeerier—Prefitcenter

—Juisdicticncode

Ext9nally-precessed

activities

—Purchasingerganization—Plant

—Purchasinggxxp—Businessarea

一Profitcerter

-Jurisddicn8色

Generalcostsactivities

।—Plart—Businessarea

—Profitcerter

—Jurisddicncoda

Materialconponenls

—Pixchasingerganization

—Pirchasinggioip

—Plart

—Stcogelocation

Source:SAPOnlineDocumentationIDESRelease4.0B

Thischartprovidesanoverviewofwhatcanbeassignedtoaprojectandits

components.WcwilldefinetheSAPvocabularylateron.

Thework-breakdown-structure(WBS)definesthehierarchyofthetaskswithina

projectanddividestheprojectintousefulsteps.

TocontrolcostsassignedtoWBSelements,operativeindicatorsareused.

ThefollowingoperativeindicatorscanbeassignedtoaWBSelement:

PlanningWBSelementsforwhichcostscanbeplanned

AccountWBSelementstowhichcostscanbeassigned

assignment

BillingWBSelementstowhichrevenuescanbeposted

5.2ImplementationinSAP

Inthissectionwecreateanewproject.Wethenwillhavealookatthecontrol

parameters.Afterthatweentertheworkbreakdownstructure.Finally,thestatus

conceptofSAPR/3willbeexplained.

Createnewproject

Thus,wegettotheinitialscreen:

Weenterourprojectdefinition,adescriptionofourprojectandselectthestandard

profileforprojects.

Inourcase,weonlysetafinishdate.WhenpressingEnter,awarningmessagethat

thisdateisnotaworkingdaymightoccur.Onecanpassthewarningbypressing

Enter

Wethensaveourworkandgettheconfirmationthattheprojecthasbeencreated.

Note:Itiswisetosaveyourworkfromtimetotime.Wewillnotmentionthesave

procedureintherestofthemanuscript!

Tocontinue,wehavetochoosetochangeourproject.

Makesurethatthecheckboxwithactivitiesisalwayschecked.Clickexecuteto

proceed.

Nowhehavecreatedanewproject.Althoughwehavenotkeyedinanydataexcept

theProjectProfileNumber,manyparametershavealreadybeenassignedtoournew

project.

Generalcontrolparameters

Clickheretoviewtheglobalparameters.Thissectionshouldprovideyouwithabasic

insightintowhichparametersareset.IfyoufeelthattheresultscalculatedbyR/3are

notlogical,youshouldhaveanideawheretostartsearchingtherelevantcustomizing

details.

TheprojectprofilespecifiesThenetworkprofilespecifiesIntheWBSscheduling

generaldatalikeControllinggeneraldatalikesettingsforprofileitemslikethe

area,Plant,Factorythegraphicalrepresentation,schedulingtype(forward,

calendar,Planningmethodactivityparameters,likethebackward)arespecified.

etc.Whencreatingthecurrencydefaultofexternally

project,theprofileischoosen.processedactivities.

ChongcProjccrProjectdefinition

❷ogyQCdA&&oWBS•UmerAEMII*:System\

v।3@中含/住第菖君*不:也与

fl晶dShuctueSetttemenlwte

Rwcidel.|r1ILD_ELEV_1O[^lElevatorProject

B&itc必aContid(Adnmsljatnn

一10000001r

AccountingTfneschedj%ng

Budgetptc6leNetwxkprolie|01^p0002

Planmgprc6leWBSschediingprof|OGBOOO03OOO1

Paymentplanprolier

IhLcakproIteCX^jthacl.F

Phrvmc^b^iF

Invotmonip,061crOpenpUmng

Retuh4n必?rkey000001Phame<h/fctlOpenpUmng

Smdabonp*/NeMakat饮Forjxoyecl(felnbon

ThebudgetprofilespecifiesitemslikebudgetingTheplanningprofilespecifies,e.g.,

currency,thevalidtimehorizonforbudgetingbackin­costingvariantandtimehorizon.

tothepastorintothefuture

Planningparameters

Inthegeneralparametersection,manyparametersarcsetasdiscussedabove.

Naturally,onecanoverrideapartoftheminthecurrentproject.However,wearenot

changinganyparameters.

Hereyoucanspecifyifyouwanttousetop-Down,up,oropenplanning.

HerewespecifywhatthesystemshoulddoifAnimportantparameteristhescheduling

schedulingdeterminesdateswhicharenottype.Hereyouspecify,ifyouwanttouse

withinthebasicdates.Incase,thescheduledforward,backwardorotherscheduling

datesshouldbetakenoverasnewdates.types.

Startenteringthedatagiveninthescreenshotbelow.Ifyouarefinished,pressEnter.

Then,yourscreenshouldlooklikethis:

ChangeStructurePlanningBASICBI3D

PtogeclEd*GotoDe4afcSellngsExbasSyrtemHelp

心厂39Bccee均组

同旧30Q80式盹名品能巴]听口AComponentovezew臣Ditplayawgnmert4*te拗

Projectdef,StortFrwhDiroftonTinCol

“ILD_ELEV_10(ElevatorProject|300600|0,0|DAY^U

WBSBosedates|F.cgdjix|ActwMydataI

SAc|LevWBSetemertActElernDe$ciip!bnSttdar|Fn<tet|InE>G(A/DS

听MILD_ELEV_1OElevatorProject.

吒2MILD.ELEV.10-100Construction—

0101ConstructionofThecabineyrrr

0102Constructionoftheengine9rcc

0103Constructionofthemechanicalpartsyrrr

0104Constructionofthecontrolunitsrrr

)W2MILD_ELEV_10-200Procurement

0201Procurementoftheengine9crc

0202||

Procurementcabineerrr

叱1MILD_ELEV_10-300LJHInstallation

0301InstallationI$rcr

0302匚InstallationII9ccc

1

I—I

——accc

Levelingup/downWBSElements

Thereisamistake.WBSElementELV_000-300shouldhavelevel2.

SelecttheWBSElementtolevelingitdown.

InsertingWBSElements/activities

WehaveforgottenloenterenterActivity203,Procurementofthemechanicalparts

andActivity204,Procurementofthecabine.

・ChangeStructurePUnningBoticdatci

,:3a♦盘x|昌置i蔺电七归羽曾

ClfKOOTK,

Q]\$!如,,乳6国£吐2品熬臼°?。幺Component-V即Ditplayaw9nmert4为匕拗

Selecttherowabovewhichyouwanttoinsertarowandadditbymenueorsimply

bypressingF6.Proceedwiththesecondrowinthesameway.Donotforgetthat

theseactivitiesdonothavealevel.

Afterthesechangesyourscreenshouldlooklikethis:

"ChangeStructurePliinningBasicdotes

PlooectEdAGotoDetais$ellr)9sE)dra:SyrtemHdp

,IJa♦x昌M同cooe也幻曾

旧殡IdBOQ◎起©国商"品必任]*?DdCc<nponentoveiviest•Disp.sgnmE幺PS匕融

Prcwt<fetDe$c<iptknStartFir^hDira(onTimCai

hILO.ELEV.1O(ElevatorProjectI|3006oo|O7O|DAY|AU

WBSbaticda13Baacdates|Foteevd«w|Actwtydale|

Strt3|Fndat

sAcLevWBSetemeriActElemDexiptnnInE>Sc61A4)

1W2MILD.ELEV.10-100Construction

Constructionofthecabine9rr

—019-

0102Constructionofth©engine3rrc

0103Constructionofthemechanicalparts•rrr

0104Constructionofthecontrolunit•rrr

耳2MILD.ELEV.10-2001Procurement

0201Procurementoftheengine$rrr

0202Procurementcabine9rrr

0203Procurementofthenechanicalparts3crr

0204Procurementofthecontrolunit*rrr

0312ExternalInspectionrr(5

耳2MILD_ELEV_10-300Installation

—r

0301InstallationI9rrr

0302InetollotionII3rrr

0322Externa

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。

评论

0/150

提交评论