对缝焊管 对焊钢管 对口焊接钢管

butt-weldedtube  detail>>

船用钢管对焊接头

marine steel butt welding fittings  detail>>

林德钢管对焊法

linde welding  detail>>

直缝焊接钢管

seam welding steel pipe  detail>>

高频直缝焊接钢管

high-frequency straight seam welded pipe  detail>>

螺旋缝焊接钢管

spiral seam steel pipe  detail>>

对焊钢管

buff-welded steel pipe  detail>>

焊接钢管

autogenous welded steel pipe welded steel tube welding steel pipe welding steel tube  detail>>

焊接钢管桩

welded steel pipe pile  detail>>

电弧焊接钢管

arc weld steel pipe arc-welded steel pipe  detail>>

镀锌焊接钢管

galvanized steel pipe  detail>>

焊接钢管构架

welded steel-tube framework  detail>>

螺旋焊接钢管

spiral steel pipe spiral welded steel pipe  detail>>

对缝焊管

butt welded pipe butt welded tube butt-welded tube jump welded tube jump-welded ...  detail>>

普通焊接钢管（非镀锌钢管）

non-galvanized steel pipe  detail>>

低压镀锌焊接钢管

low pressure galvanized pipe  detail>>

高强度焊接钢管

high strength welded steelpipe  detail>>

焊接钢管用钢带

steel strips for welded steel pipe  detail>>