有關WDB620的精選大全

用WDB620造句子,“WDB620”造句
1、StudyontheMechanicalPropertiesandMicrostructuralofWDB620SteelandWeldedJoint;2、ThemechanicalpropertiesofsteelWDB620areintroduced.Sometraditionaltestsaboutthemechanicalpropertiesandcrackingresistanc...
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