- 转: revolve; rotate; turn; swive ...
- 矩: carpenter's square; square r ...
- 钻杆: bull rod; bar; rod; drill st ...
- 钻杆柱: drill column; drill pipe string; drill string; drill-pipe string; drilling string; drillpipestring; line of rods; string
- 拉紧钻杆柱: take a stretch on pipe
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