公司现拥有六条高频直缝焊管机组，三条热镀锌生产线。
The company now has six high-frequency straight seam welded pipe units, three hot-dip galvanizing line.
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。
Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.
当前一些直缝焊管机组所配备的垂直进锯型飞锯因易造成切断端面严重变形，不适合锯切正位生产的方矩型类管材。
The vertical feed fly saw, equiped on most straight welding pipe sets, can not be suitable to cut square shaped pipes because of serious deformation on the cut face.
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