percussive rotary drilling
短语词组
- percussive e rotary drilling 冲积钻钻探
- percussive -rotary wire-line drilling 绳索取心冲击回转钻进
- auger -percussive-rotary drilling 螺旋冲击回转钻进
- percussive rotary drilling technology 冲旋钻井技术
- pneumatic percussive rotary drilling 风动冲击回转钻进
- rotary percussive drilling 回转冲魂进
- rotary y percussive drilling 回转冲魂进 返回 percussive rotary drilling