相关weldment的文学知识

weldment造句

weldment造句

Itismoreusualtocompletetheweldmentfirstandthentogalvanizeit.Studyonnet-likemicrostructureintheheataffectedzoneofmultilayerWB36steelweldment(Ⅱ):microstructureandtoughnessResultsshowsthatpenninginthewe...