| 释义 |
drill string drilstriŋ 短语⁹⁶⁶⁷⁷⁺⁶
基本例句
钻柱
Often when a drill string becomes stuck it is necessary to “back off” the string as deep as possible to recover as much of the string as possible.
通常当卡钻时有必要尽可能深地把钻柱卸开，以便尽可能多地收回钻柱。 www.infopetro.com.cn
The driller sets the drill string in the slips or on the elevator.
司钻要把钻具坐在卡瓦或吊卡上。 blog.sina.com.cn |