WDB620的知识精选

“WDB620”可以造什么句,WDB620造句
1、StudyontheMechanicalPropertiesandMicrostructuralofWDB620SteelandWeldedJoint;2、ThemechanicalpropertiesofsteelWDB620areintroduced.Sometraditionaltestsaboutthemechanicalpropertiesandcrackingresistanc...
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