短語詞組短語longitudinal welded joints 縱向焊接接頭influence region of longitudinal joints 環(huán)縫影響范圍tension bars of longitudinal joints 縱縫拉桿allowable offset in longitudinal joints 縱向焊縫的允許偏移connecting characteristic of longitudinal joints 縱縫結(jié)合作用joints at longitudinal seam 縱縫接頭 返回 longitudinal joints