... 管子未加厚端部 plain end 端部加厚油管 upset tubing ; UPTBG 端部加厚的钻杆 upset drill pipe ...
基于78个网页-相关网页
internal upset tubing 内加厚油管
external-upset tubing 外加厚油管
non-upset tubing [油气] 不加厚油管
internal-external upset tubing [油气] 内外加厚油管
non-upset tubing thread 不加厚油管螺纹
external upset tubing thread 外加厚油管螺纹
tubing with internal upset ends 内加厚油管
tubing with external upset ends 外加厚油管
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