rotary percussion drilling
短语词组
- rotary y percussion drilling 鏇轉沖喚鑽進
- percussion rotary drilling technology 沖擊鏇轉鑽井技術
- percussion rotary drilling 沖擊廻轉鑽進
- percussion -rotary drilling technique 沖擊鏇轉鑽進技術
- hydraulic percussion and rotary drilling 液動沖擊廻轉鑽進 返回 rotary percussion drilling