... tubing machine 制管机 tubing mill 管磨机 tubing pulling unit 管子起拔器 ...
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Detroit Tubing Mill 管材厂
Qingxian Steel Tubing Mill 青县钢管厂
seamless steel tubing mill detail 无缝钢管厂
tubing g mill 管磨机
·2,447,543篇论文数据，部分数据来源于NoteExpress
Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.
为满足市场对复合管的需求，对于我国直缝焊管机组改造有借鉴作用。
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We are setting up a mill for production of tubing and casing couplings.
我公司新上接箍项目，主要生产石油套管接箍和油管接箍。
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