Large-sized SSAW pipe  大口径直缝埋弧焊管

SSAW pipe  埋弧焊管; 螺旋焊管; 螺旋埋弧焊钢管; 直缝埋弧焊管; 螺旋缝埋弧焊管; 埋弧焊钢管; 螺旋埋弧焊管

SSAW pipe unit  螺旋焊管机组

SSAW pipe units  前摆式机组

X80 grade SSAW pipe  X80级螺旋埋弧焊管

X80 SSAW pipe  X80管线钢螺旋焊管

1Cr18Ni9T stainless steel pipe  1Cr18Ni9Ti不锈钢管

20 steel pipe  20钢管

304 stainless steel pipe  304不锈钢管; 烯烃(P)

9Cr-1Mo-V-Nb-N steel pipe  9Cr-1Mo-V-Nb-N钢管

abnormity steel pipe  异型钢管

Accu-Roll and Expander(ARE) steel pipe mill  轧扩管机组

Alloy Steel Pipe  合金钢管

Alloy-Steel Pipe  合金钢管

Alloy-Steel Pipe Clamp  合金钢制管卡

aluminum alloy drill pipe-steel tool joint connect  铝合金钻杆与钢接头

anti-corrosion of steel pipe pile  钢管桩防腐

anticorrosive coated steel pipe  防蚀钢管

arch bridge of steel pipe concrete  钢管混凝土拱桥