back reaming
基本解釋
- [能源科學(xué)技術(shù)]倒劃眼
英漢例句
- Drill pipe is attached to the far side of the reamer so that it can be pulled back from the near side, once the pre-reaming operation is complete.
擴(kuò)孔器遠(yuǎn)側(cè)與鉆桿相連,當(dāng)預(yù)擴(kuò)孔作業(yè)完成后,可以將擴(kuò)孔器從近側(cè)拖回到遠(yuǎn)側(cè)。
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雙語(yǔ)例句
專業(yè)釋義
- 倒劃眼