Q235B的精选

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用“Q235B”造句大全，Q235B造句

用“Q235B”造句大全，Q235B造句

2024-02-10
1、AStudyonSideDefectsofHotRolledQ235BandQ345BStripSteels;2、WeldingApplicationofAutoSubmergedArcWeldingTechniqueintheBoilerandthePressureVesselTubeBody(Q235B,δ=6mm)3、Thesurfacedefectonmediumandheav...