短語(yǔ)詞組短語(yǔ)drill l pipe 鑽桿drill l pipe clamp 鑽桿夾持器drill l pipe spinner 鑽桿鏇釦器drill following pipe 跟琯鑽進(jìn)drill l pipe stabilizer 鑽桿穩(wěn)定器drill l pipe counter 鑽桿計(jì)數(shù)器drill -pipe slips 鑽桿瓦 返回 drill pipe