rock drill

[rɔk dril]
  • 释义

  • 凿石器;凿岩机;

  • 双语例句
  • 1、

    The rock drill is indispensable for digging coal mines.

    凿岩机是煤炭采掘不可缺少的工具.

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  • 2、

    Disassamble the rock drill and inspect the wear, replace worn part.

    拆开冲击器,检查磨损情况, 更换磨损件.

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  • 3、

    Mini rock drill has been produced based on patented technology for rock drill warm extrusion.

    采用钎头壳体温挤压精密成形专利技术生产了小型凿岩钎头.

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