外文翻译--桥梁使用系统可靠性评估 英文版.pdf外文翻译--桥梁使用系统可靠性评估 英文版.pdf

收藏 分享

资源预览需要最新版本的Flash Player支持。
您尚未安装或版本过低,建议您

BRIDGERATINGUSINGSYSTEMRELIABILITYASSESSMENTIIIMPROVEMENTSTOBRIDGERATINGPRACTICESNAIYUWANG,MASCE1;BRUCERELLINGWOOD,DISTMASCE2;ANDABDULHAMIDZUREICK,MASCE3ABSTRACTTHECURRENTBRIDGERATINGPROCESSDESCRIBEDINAASHTOMANUALFORBRIDGEEVALUATION,FIRSTEDITIONPERMITSRATINGSTOBEDETERMINEDBYALLOWABLESTRESS,LOADFACTOR,ORLOADANDRESISTANCEFACTORMETHODSTHESETHREERATINGMETHODSMAYLEADTODIFFERENTRATEDCAPACITIESANDPOSTINGLIMITSFORTHESAMEBRIDGE,ASITUATIONTHATHASSERIOUSIMPLICATIONSWITHREGARDTOPUBLICSAFETYANDTHEECONOMICWELLBEINGOFCOMMUNITIESTHATMAYBEAFFECTEDBYBRIDGEPOSTINGSORCLOSURESTHISPAPERISTHESECONDOFTWOPAPERSTHATSUMMARIZEARESEARCHPROGRAMTODEVELOPIMPROVEMENTSTOTHEBRIDGERATINGPROCESSBYUSINGSTRUCTURALRELIABILITYMETHODSTHEFIRSTPAPERPROVIDEDBACKGROUNDONTHERESEARCHPROGRAMANDSUMMARIZEDACOORDINATEDPROGRAMOFLOADTESTINGANDANALYSISTOSUPPORTTHERELIABILITYASSESSMENTLEADINGTOTHERECOMMENDEDIMPROVEMENTSTHISSECONDPAPERPRESENTSTHERELIABILITYBASISFORTHERECOMMENDEDLOADRATING,DEVELOPSMETHODSTHATCLOSELYCOUPLETHERATINGPROCESSTOTHERESULTSOFINSITUINSPECTIONANDEVALUATION,ANDRECOMMENDSSPECIFICIMPROVEMENTSTOCURRENTBRIDGERATINGMETHODSINAFORMATTHATISCONSISTENTWITHTHELOADANDRESISTANCEFACTORRATINGLRFROPTIONINTHEAASHTOMANUALFORBRIDGEEVALUATIONDOI101061/ASCEBE1943559200001712011AMERICANSOCIETYOFCIVILENGINEERSCEDATABASESUBJECTHEADINGSCONCRETEBRIDGES;REINFORCEDCONCRETE;PRESTRESSEDCONCRETE;LOADFACTORS;RELIABILITY;STEEL;RATINGSAUTHORKEYWORDSBRIDGESRATING;CONCRETEREINFORCED;CONCRETEPRESTRESSED;CONDITIONASSESSMENT;LOADSFORCES;RELIABILITY;STEEL;STRUCTURALENGINEERINGINTRODUCTIONTHEAASHTOMANUALFORBRIDGEEVALUATIONMBE,FIRSTEDITIONAASHTO2008ALLOWSBRIDGERATINGSTOBEDETERMINEDTHROUGHTHETRADITIONALALLOWABLESTRESSRATINGASRORLOADFACTORRATINGLFRMETHODSORBYTHEMORERECENTLOADANDRESISTANCEFACTORRATINGLRFRMETHOD,WHICHISCONSISTENTWITHTHEAASHTOLRFDBRIDGEDESIGNSPECIFICATIONS2007THESETHREERATINGMETHODSMAYLEADTODIFFERENTRATEDCAPACITIESANDPOSTEDLIMITSFORTHESAMEBRIDGENCHRP2001;WANGETAL2009,ASITUATIONTHATCANNOTBEJUSTIFIEDFROMAPROFESSIONALENGINEERINGVIEWPOINTANDHASIMPLICATIONSFORTHESAFETYANDECONOMICWELLBEINGOFTHOSEAFFECTEDBYBRIDGEPOSTINGSORCLOSURESTOADDRESSTHISISSUE,THEGEORGIAINSTITUTEOFTECHNOLOGYHASCONDUCTEDAMULTIYEARRESEARCHPROGRAMAIMEDATMAKINGIMPROVEMENTSTOTHEPROCESSBYWHICHTHECONDITIONOFEXISTINGBRIDGESTRUCTURESINGEORGIAAREASSESSEDTHEENDPRODUCTOFTHISRESEARCHPROGRAMISSETOFRECOMMENDEDGUIDELINESFORTHEEVALUATIONOFEXISTINGBRIDGESELLINGWOODETAL2009THESEGUIDELINESAREESTABLISHEDBYACOORDINATEDPROGRAMOFLOADTESTINGANDADVANCEDFINITEELEMENTMODELING,WHICHHAVEBEENINTEGRATEDWITHINASTRUCTURALRELIABILITYFRAMEWORKTODETERMINEPRACTICALBRIDGERATINGMETHODSTHATARECONSISTENTWITHTHOSEUSEDTODEVELOPTHEAASHTOLRFDBRIDGEDESIGNSPECIFICATIONSAASHTO2007ITISBELIEVEDTHATBRIDGECONSTRUCTIONANDRATINGPRACTICESARESIMILARENOUGHINOTHERNONSEISMICAREASTOMAKETHEINFERENCES,CONCLUSIONS,ANDRECOMMENDATIONSVALIDFORLARGEREGIONSINTHECENTRALANDEASTERNUNITEDSTATESCEUSTHERECENTIMPLEMENTATIONOFLRFDANDITSCOMPANIONRATINGMETHOD,LRFR,BOTHOFWHICHHAVEBEENSUPPORTEDBYSTRUCTURALRELIABILITYMETHODS,ENABLEBRIDGEDESIGNANDCONDITIONASSESSMENTTOBEPLACEDONAMORERATIONALBASISNOTWITHSTANDINGTHESEADVANCES,IMPROVEDTECHNIQUESFOREVALUATINGTHEBRIDGEINITSINSITUCONDITIONWOULDMINIMIZETHELIKELIHOODOFUNNECESSARYPOSTINGFOREXAMPLE,MATERIALSTRENGTHSINSITUMAYBEVASTLYDIFFERENTFROMTHESTANDARDIZEDORNOMINALVALUESASSUMEDINDESIGNANDCURRENTRATINGPRACTICESATTRIBUTABLETOSTRENGTHGAINOFCONCRETEONONEHANDANDDETERIORATIONATTRIBUTABLETOAGGRESSIVEATTACKFROMPHYSICALORCHEMICALMECHANISMSONTHEOTHERSATISFACTORYPERFORMANCEOFAWELLMAINTAINEDBRIDGEOVERAPERIODOFYEARSOFSERVICEPROVIDESADDITIONALINFORMATIONNOTAVAILABLEATTHEDESIGNSTAGETHATMIGHTBETAKENINTOACCOUNTINMAKINGDECISIONSREGARDINGPOSTINGORUPGRADINGINVESTIGATINGBRIDGESYSTEMRELIABILITYRATHERTHANSOLELYRELYINGONCOMPONENTBASEDRATINGMETHODSMAYALSOBEOFSIGNIFICANTBENEFITPROPERCONSIDERATIONOFTHESEFACTORSISLIKELYTOCONTRIBUTETOAMOREREALISTICCAPACITYRATINGOFEXISTINGBRIDGESTHISPAPERISTHESECONDOFTWOCOMPANIONPAPERSTHATPROVIDETHETECHNICALBASESFORPROPOSEDIMPROVEMENTSTOTHECURRENTLRFRPRACTICETHEFIRSTPAPERWANGETAL2011SUMMARIZEDTHECURRENTBRIDGERATINGPROCESSANDPRACTICESINTHEUNITEDSTATES,ANDPRESENTEDTHERESULTSOFACOORDINATEDBRIDGETESTINGANDANALYSISPROGRAMCONDUCTEDTOSUPPORTREVISIONSTOTHECURRENTRATINGPROCEDURESTHISPAPERDESCRIBESTHERELIABILITYANALYSISFRAMEWORKTHATPROVIDESTHEBASISFORRECOMMENDEDIMPROVEMENTSTOTHEMBEANDRECOMMENDSSPECIFICIMPROVEMENTSTOTHEMBETHATADDRESSTHEPRECEDINGFACTORS1SENIORSTRUCTURALENGINEER,SIMPSON,GUMPERTZ,ANDHEGER,INC,41SEYONST,WALTHAM,MA02453;FORMERLY,GRADUATERESEARCHASSISTANT,SCHOOLOFCIVILANDENVIRONMENTALENGINEERING,GEORGIAINSTITUTEOFTECHNOLOGY2PROFESSOR,SCHOOLOFCIVILANDENVIRONMENTALENGINEERING,GEORGIAINSTITUTEOFTECHNOLOGY,790ATLANTICDR,ATLANTA,GA303320355CORRESPONDINGAUTHOREMAILELLINGWOODGATECHEDU3PROFESSOR,SCHOOLOFCIVILANDENVIRONMENTALENGINEERING,GEORGIAINSTITUTEOFTECHNOLOGY,790ATLANTICDR,ATLANTA,GA303320355NOTETHISMANUSCRIPTWASSUBMITTEDONMARCH19,2010;APPROVEDONAUGUST2,2010;PUBLISHEDONLINEONOCTOBER14,2011DISCUSSIONPERIODOPENUNTILAPRIL1,2012;SEPARATEDISCUSSIONSMUSTBESUBMITTEDFORINDIVIDUALPAPERSTHISPAPERISPARTOFTHEJOURNALOFBRIDGEENGINEERING,VOL16,NO6,NOVEMBER1,2011ASCE,ISSN10840702/2011/6863–871/2500JOURNALOFBRIDGEENGINEERINGASCE/NOVEMBER/DECEMBER2011/863DOWNLOADED21MAR2012TO1809522453REDISTRIBUTIONSUBJECTTOASCELICENSEORCOPYRIGHTVISITHTTP//WWWASCELIBRARYORGRELIABILITYBASESFORBRIDGELOADRATINGBRIDGEDESIGN,ASCODIFIEDINTHEAASHTOLRFDSPECIFICATIONS2007,ISESTABLISHEDBYMODERNPRINCIPLESOFSTRUCTURALRELIABILITYANALYSISTHEPROCESSBYWHICHEXISTINGBRIDGESARERATEDMUSTBECONSISTENTWITHTHOSEPRINCIPLESUNCERTAINTIESINTHEPERFORMANCEOFANEXISTINGBRIDGEARISEFROMVARIATIONSINLOADS,MATERIALSTRENGTHPROPERTIES,DIMENSIONS,NATURALANDARTIFICIALHAZARDS,INSUFFICIENTKNOWLEDGE,ANDHUMANERRORSINDESIGNANDCONSTRUCTIONELLINGWOODETAL1982;GALAMBOSETAL1982;NOWAK1999PROBABILITYBASEDLIMITSTATESDESIGN/EVALUATIONCONCEPTSPROVIDEARATIONALANDPOWERFULTHEORETICALBASISFORHANDLINGTHESEUNCERTAINTIESINBRIDGEEVALUATIONTHELIMITSTATESFORBRIDGEDESIGNANDEVALUATIONCANBEDEFINEDINTHEGENERALFORMGX01WHEREXX1;X2;X3;;XNLOADANDRESISTANCERANDOMVARIABLESONTHEBASISOFBRIDGEPERFORMANCEOBJECTIVES,THESELIMITSTATESMAYRELATETOSTRENGTHFORPUBLICSAFETYORTOEXCESSIVEDEFORMATION,CRACKING,WEAROFTHETRAFFICSURFACE,OROTHERSOURCESOFFUNCTIONALIMPAIRMENTASTATEOFUNSATISFACTORYPERFORMANCEISDEFINED,BYCONVENTION,WHENGX0THUS,THEPROBABILITYOFFAILURECANBEESTIMATEDASPFPGX0C138ZΩFXXDX2WHEREFXXJOINTDENSITYFUNCTIONOFX;ANDΩFAILUREDOMAININWHICHGX0INMODERNFIRSTORDERFORELIABILITYANALYSISMELCHERS1999,EQ2ISOFTENAPPROXIMATEDBYPFΦC0Β3WHEREΦSTANDARDNORMALDISTRIBUTIONFUNCTION;ANDΒRELIABILITYINDEXFORWELLBEHAVEDLIMITSTATES,EQ3USUALLYISANEXCELLENTAPPROXIMATIONTOEQ2,ANDΒANDPFCANBEUSEDINTERCHANGEABLYASRELIABILITYMEASURESELLINGWOOD2000WHENTHEFAILURESURFACEINEQ1ISCOMPLEXORWHENTHERELIABILITYOFASTRUCTURALSYSTEM,INWHICHTHESTRUCTURALBEHAVIORISMODELEDTHROUGHFINITEELEMENTANALYSIS,ISOFINTEREST,EQ2CANBEEVALUATEDEFFICIENTLYBYMONTECARLOMCSIMULATIONTHEAASHTOLRFDBRIDGEDESIGNSPECIFICATIONS2007AREESTABLISHEDONFORELIABILITYANALYSIS,APPLIEDTOINDIVIDUALGIRDERSNOWAK1999;KIMANDNOWAK1997;TABSHANDNOWAK1991WITHTHESUPPORTINGPROBABILISTICMODELINGOFRESISTANCEANDLOADTERMSNOWAK1993;BARTLETTANDMCGREGOR1996;MOSESANDVERMA1987,ANEXAMINATIONOFEXISTINGBRIDGEDESIGNPRACTICESLEDTOATARGETRELIABILITYINDEX,Β,EQUALTO35BASEDONA75YEARSERVICEPERIODNOWAK1999,MOSES2001CONSISTENTWITHSUCHRELIABILITYBASEDPERFORMANCEOBJECTIVE,THEAASHTOLRFDSPECIFICATIONSSTIPULATETHATINTHEDESIGNOFNEWBRIDGES125D15DA175LIΦRN4WHEREDDEADLOADEXCLUDINGWEIGHTOFTHEWEARINGSURFACE;DAWEIGHTOFTHEWEARINGSURFACEASPHALT;LIREPRESENTSLIVELOADINCLUDINGIMPACT;ΦRNDESIGNSTRENGTH,INWHICHRNNOMINALRESISTANCE;ANDΦRESISTANCEFACTORWHICHDEPENDSONTHEPARTICULARLIMITSTATEOFINTERESTTHISEQUATIONISFAMILIARTOMOSTDESIGNERSWHENTHERELIABILITYOFANEXISTINGBRIDGEISCONSIDERED,ALLOWANCESHOULDBEMADEFORTHESPECIFICKNOWLEDGEREGARDINGITSSTRUCTURALDETAILSANDPASTPERFORMANCEFIELDINSPECTIONDATA,LOADTESTING,MATERIALTESTS,ORTRAFFICSURVEYS,IFAVAILABLE,CANBEUTILIZEDTOMODIFYTHEPROBABILITYDISTRIBUTIONSDESCRIBINGTHESTRUCTURALBEHAVIORANDRESPONSEINEQ2THEMETRICFORACCEPTABLEPERFORMANCEISOBTAINEDBYMODIFYINGEQ2TOREFLECTTHEADDITIONALINFORMATIONGATHEREDPFPGX0JHC138PT5WHEREHREPRESENTSWHATISLEARNEDFROMPREVIOUSSUCCESSFULPERFORMANCE,INSERVICEINSPECTION,ANDSUPPORTINGINSITUTESTING,IFANYTHETARGETPROBABILITY,PT,SHOULDDEPENDONTHEECONOMICSOFREHABILITATION/REPAIR,CONSEQUENCESOFFUTUREOUTAGES,ANDTHEBRIDGERATINGSOUGHTINTHEAASHTOLRFRMETHOD2007,THETARGETΒFORDESIGNLEVELCHECKINGBYUSINGHL93LOADMODELATINVENTORYLEVELIS35,WHICHISCOMPARABLETOTHERELIABILITYFORNEWBRIDGES,WHEREASTHETARGETΒFORHL93OPERATINGLEVELANDFORLEGAL,ANDPERMITLOADSISREDUCEDTO25OWINGTOTHEREDUCEDLOADMODELANDREDUCEDEXPOSUREPERIOD5YEARSMOSES2001THEPRESENCEOFHINEQ5ISACONCEPTUALDEPARTUREFROMEQS2AND3,WHICHPROVIDETHEBASISFORLRFDFOREXAMPLE,TRAFFICDEMANDSONBRIDGESLOCATEDINDIFFERENTPLACESINTHEHIGHWAYSYSTEMMAYBEDIFFERENTTOTAKETHISSITUATIONINTOACCOUNT,LRFRINTRODUCESASETOFLIVELOADFACTORSFORTHELEGALLOADRATING,WHICHDEPENDONTHEINSITUTRAFFICDESCRIBEDBYTHEAVERAGEDAILYTRUCKTRAFFICADTTFURTHERMORE,THECOMPONENTNOMINALRESISTANCEINLRFRISFACTOREDBYASYSTEMFACTORΦSANDAMEMBERCONDITIONFACTORΦCINADDITIONTOTHEBASICRESISTANCEFACTORΦFORAPARTICULARCOMPONENTLIMITSTATETHESYSTEMFACTORDEPENDSONTHEPERCEIVEDREDUNDANCYLEVELOFAGIVENBRIDGEINITSRATING,WHEREASTHECONDITIONFACTORISTOACCOUNTFORTHEBRIDGE’SSITESPECIFICDETERIORATIONCONDITION,ANDPURPORTSTOINCLUDETHEADDITIONALUNCERTAINTYBECAUSEOFANYDETERIORATIONTHATMAYBEPRESENTTHEBASISFORTHELRFRTABULATEDVALUESFORΦCWILLBEFURTHEREXAMINEDLATERINTHISPAPERTHELRFROPTIONINTHEAASHTOMBEEXTENDSTHELIMITSTATEDESIGNPHILOSOPHYTOTHEBRIDGEEVALUATIONPROCESSINANATTEMPTTOACHIEVEAUNIFORMTARGETLEVELOFSAFETYFOREXISTINGHIGHWAYBRIDGESYSTEMSHOWEVER,THEUNCERTAINTYMODELSOFLOADANDRESISTANCEEMBEDDEDINTHELRFRRATINGFORMATREPRESENTTYPICALVALUESFORALARGEPOPULATIONOFBRIDGESINVOLVINGDIFFERENTMATERIALS,CONSTRUCTIONPRACTICES,ANDSITESPECIFICTRAFFICCONDITIONSALTHOUGHTHELRFRLIVELOADMODELHASBEENMODIFIEDFORSOMEOFTHESPECIFICCASESASDISCUSSEDPREVIOUSLY,THEBRIDGERESISTANCEMODELSHOULDALSOBE“CUSTOMIZED”FORANINDIVIDUALBR
编号:201311171636427348    类型:共享资源    大小:874.90KB    格式:PDF    上传时间:2013-11-17
  
5
关 键 词:
教育专区 外文翻译 精品文档 外文翻译
  人人文库网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
关于本文
本文标题:外文翻译--桥梁使用系统可靠性评估 英文版.pdf
链接地址:http://www.renrendoc.com/p-97348.html

当前资源信息

4.0
 
(2人评价)
浏览:70次
英文资料库上传于2013-11-17

官方联系方式

客服手机:17625900360   
2:不支持迅雷下载,请使用浏览器下载   
3:不支持QQ浏览器下载,请用其他浏览器   
4:下载后的文档和图纸-无水印   
5:文档经过压缩,下载后原文更清晰   

相关资源

  • 专题外文资料翻译
  • 专题毕业课程设计论文顺通助学中心
  • Thomas_Calculus_13th(托马斯微积分 13版)Thomas_Calculus_13th(托马斯微积分 13版)
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】最小化模式下料问题科林麦克迪尔米德-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】最小化模式下料问题科林麦克迪尔米德-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】组合机床行业现状与发展思考-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】组合机床行业现状与发展思考-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模具的设计与热分析-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模具的设计与热分析-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】主轴平衡力和曲轴弯曲应力的研究-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】主轴平衡力和曲轴弯曲应力的研究-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】中国乘用车燃料经济性标准的组成和影响-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】中国乘用车燃料经济性标准的组成和影响-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】振动镗孔与振动钻孔的研究-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】振动镗孔与振动钻孔的研究-中文翻译
  • 精品推荐

    相关阅读

    人人文库
    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

    网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

    [email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

    经营许可证编号:苏ICP备12009002号-5