... 一把抓catchall 铣鞋mill shoe 钻杆外割刀external cutter ...
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Pear Type Mill Shoe 梨形磨鞋
sawtooth mill shoe 锯齿铣鞋
Cutting Pilot Mill Shoe 铣削式领眼磨鞋
grinding type mill shoe 磨削型铣鞋
pilot mill shoe 引子磨鞋
taper mill shoe 锥形磨鞋
pear-shaped mill shoe 梨形磨鞋
Flat-Bottom Mill Shoe 平底磨铣
cutting-type mill shoe 切削型铣鞋
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The concave bottom mill shoe is used to grind downhole small objects and other unstable fallen objects.
凹底磨鞋可用于磨削井下小件落物以及其它不稳定落物。
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