drill stem
导读：drill stem读音音标
英 [dril stem]美 [drɪl stɛm]
drill stem意思解释
释义钻杆；
双语例句The drill pipe that was broken has been found.断了的钻杆被找到了。Drill pi
英 [dril stem]美 [drɪl stɛm]
drill stem意思解释
释义钻杆；
双语例句The drill pipe that was broken has been found.断了的钻杆被找到了。Drill pi
drill stem读音音标
英 [dril stem]
美 [drɪl stɛm]
drill stem意思解释
释义
钻杆；
双语例句
The drill pipe that was broken has been found.断了的钻杆被找到了。Drill pipe threads are not cleaned in that way.钻杆丝扣不是那样清洗的。
