- 1、AStudyonSideDefectsofHotRolledQ235BandQ345BStripSteels;2、WeldingApplicationofAutoSubmergedArcWeldingTechniqueintheBoilerandthePressureVesselTubeBody(Q235B,δ=6mm)3、ThesurfacedefectonmediumandheavyplateQ235Bwasinvestigatedbymeansoftheopticalmicro...
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