| 释义 |
drilling pipe
基本英英例句
钻杆
Noun:
a series of tubes joined by screwed collars that connect a drilling platform to the drilling bit; rotates the bit and supplies drilling mudThe 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。 |