- sinker bar
- 助: help; assist; aid; support
- 钻杆: bull rod; bar; rod; drill st ...
- 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
- 辅助钻工: drillers helper
- 辅助钻进: satellite drilling
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