- 2009-05-22 00:00813X10-40无缝钢管
- 2009-05-22 00:00820X10-40无缝钢管
- 2009-05-22 00:00(厚壁)焊接钢管
- 2009-05-22 00:00石油钢管
- 2009-05-22 00:00埋弧焊螺旋钢管
- 2009-05-22 00:00ERW钢管
- 2009-05-22 00:00ASTM A106 B 无缝钢管
- 2009-05-22 00:00406X8-40无缝钢管
- 2009-05-22 00:00610X8-40无缝钢管
- 2009-05-22 00:00508X8-40无缝钢管
- 2009-05-22 00:00ASTM A106B A53 API5L无缝钢管
- 2009-05-22 00:00ASTM A252 无缝钢管
- 2009-05-22 00:00API 5L美标无缝钢管
- 2009-05-22 00:00DIN17175/DIN27911德标无缝钢管
- 2009-05-22 00:00热镀锌钢管
- 2009-05-22 00:00ASTM A179 无缝钢管
- 2009-05-22 00:00碳钢无缝钢管
- 2009-05-22 00:00API5L钢管
- 2009-05-22 00:00SAW钢管
- 2009-05-22 00:00ASTM A335 GR P11无缝钢管
