welded steel pipe焊接鋼管;電弧焊接鋼管;燒焊鋼管;鋼管
welded tube焊接管;焊管;焊縫管;電焊管
welded pipe焊接管;焊制管;焊管;有縫管
welded wire mesh電焊網;焊接鋼絲網;焊接網;絲網
spiral welded steel pipe螺旋焊接鋼管;螺旋燒焊鋼管;電鉆鉚接鋼管;螺彷焊接鋼管
welded seam焊縫;熔接縫;熔接鏈
butt welded end對焊端;坡口端;對于焊端
butt welded對焊的;對接焊接的
welded construction焊接結構;焊接布局;單道焊