短语词组短语Dry rotary drilling 干作业旋挖成孔dry y drilling 干式钻眼dry air drilling 干气钻;空气钻dry -drilling 干式钻孔dry drilling sticking 干钻卡钻dry drilling hole 干式钻孔dry drilling core gripping 干钻卡取dry drilling with dust catching 干式凿岩捕尘 返回 dry drilling