WDB620的精选

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用“WDB620”造句大全，WDB620造句

用“WDB620”造句大全，WDB620造句

2023-12-31
1、StudyontheMechanicalPropertiesandMicrostructuralofWDB620SteelandWeldedJoint;2、ThemechanicalpropertiesofsteelWDB620areintroduced.Sometraditionaltestsaboutthemechanicalpropertiesandcrackingresistanc...