0Cr25Ni20(310S)材质...
2008-06-20 21:12:08
2008-06-20 21:12:08不锈钢管 机械加工用不锈钢管 冷拔...
2008-06-20 21:11:17
2008-06-20 21:11:17不锈钢工业管 不锈钢冷拔管 不锈钢...
2008-06-20 21:12:59
2008-06-20 21:12:5920#厚壁管,20#厚壁无缝管,2...
2008-06-20 21:09:56
2008-06-20 21:09:5645号碳素钢管 20#无缝钢管,2...
2008-06-20 21:13:51
2008-06-20 21:13:51精拉管.精拉钢管,冷拔无缝钢管.冷...
2008-06-20 21:06:19
2008-06-20 21:06:19大口径焊管 直缝焊接钢管 直缝焊管...
2008-06-21 20:51:14
2008-06-21 20:51:14
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