- drill pipe cutter
- 钻杆: bull rod; bar; rod; drill st ...
- 割刀: cutting knife; cutting-off t ...
- 割刀: cutting knife; cutting-off tool; sickle
- 钻杆: bull rod; bar; rod; drill stem; drill pipe; jackrod (手持式风钻); bore rod; boring bar; drilling rod; drilling pipe; drill rod
- 分割刀: rounding knife
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