“钻杆”怎么读

“钻杆”的英语可以翻译为：ull rod，bar，rod，drill stem，drill pipe ...

综述了石油钻杆接头失效的十一种主要形式.Eleven mare modes of tool joint failures are summarized.那个钻杆的丝扣坏了, 换另外一根.That pipe thread is bad. Use another one instead.本文还介绍了微型钻杆测试系统压力瞬时分析方法.A systematic pressure transient analysis method for min...