andfurtherexandedBecauseofthisweldingrocessintheimortanceoftheaerosaceindustrysector,butalsogreatotential,thecurrentcriticalweldingarametersandtooltechnologyisstillinthesecretstageChinashouldbeundertakenassoona，下载说明：外文翻译--C型搅拌摩擦焊的现状与发展资料下载需支付相应的费用。5、ingtechnologyandweldingaluminum,comaredwiththreemainadvantages:a)eliminationofsolidstateconnectionwithweldingthecracks,thatis，无锡商务英语翻译价格,liquefiedorsolidifiedcracksOtimumweldingconditionsinthecomleteeliminationoforosityb)thereisnoweldmetalevaorationlossofalloyingelements，无锡商务英语翻译价格,theweldalloyelementsarereserved,sotheweldingqualityisguaranteedc)theweldingtoolonmaterialroducedbycrushing，无锡商务英语翻译价格,stirringandforgingtheroleofthebasemetalcanbeobtainedmorethanfinerecrystallizedweldmetalstrengthovertheHAZmaterialstrengthThematerialusedforlaunchvehicletankwithhighstrengthaluminumalloyT(ChinagradesfortheLD)ismoredifficulttoweldmetalmaterial,theweldinghotcrackingtendencyofhigh,weldedjointstrengthfactorofabout,thelasticisnothigh。

    ANHUI安徽安庆月山岩体的磁组构及古地磁特征PalaeomagneticcharacteristicsofNeozoicvolcanicrocksonthewestcoastoftheTaiwanStrait中国台湾海峡西岸新生代火山岩的古地磁特征分析NappeStoucturesoftheWesternPartofYanshanMountainwithRespecttothePaleomagneticFeaturesofShisanlingArea,Beijing从北京十三陵地区的古地磁特征看燕山西段的推覆构造PALEOMAGNETICCHARACTERISTICSOFEOGENESYSTEMANDITSBASALBOUNDARYONNORTHWESTMARGINOFJIANGHANBASIN江汉盆地西北缘下第三系古地磁特征及底界PaleomagneticfeafuresofmiddlepaleozoicrocksfromwesternZhejiangandsouthernAnhui,YangtzePlate扬子板块浙西皖南中古生代古地磁特征PALEOMAGNETISMFEATUREOFCAMBRIAN-ORDOVICIANPERIODINBEISHANAREAOFNEIMONGOL内蒙古北山地区寒武—奥陶纪古地磁特征PALEOMAGNETISMFEATURESANDITSTECTONICSIGNIFICANCEINTHEMIDDLEPARTOFTHEJIANGNANBALT,SOUTHCHINA江南造山带中段古地磁特征与构造意义PaleomagneticPropertiesofNon-marinePermo-TriassicTransitionalSuccessionoftheDalongkouSection,Jimsar。

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