短语词组短語drill l pipe 鑽杆drill l pipe clamp 鑽杆夾持器drill l pipe spinner 鑽杆鏇釦器drill following pipe 跟琯鑽進drill l pipe stabilizer 鑽杆穩定器drill l pipe counter 鑽杆計數器drill -pipe slips 鑽杆瓦 返回 drill pipe