• 仪器结构简单,具有多种功能,进行回转冲击回转钻进法的可测试钻进规程模拟可用测试岩石研磨性

    This instrument, simple in structure and of multi-function, may be used to measuring the drillability and abrasivity of rocks, and simulate rotary or rotary-percussive drilling as well.

    youdao

  • 仪器结构简单,具有多种功能,进行回转冲击回转钻进法的可测试钻进规程模拟可用测试岩石研磨性

    This instrument, simple in structure and of multi-function, may be used to measuring the drillability and abrasivity of rocks, and simulate rotary or rotary-percussive drilling as well.

    youdao

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