 |
Terms for subject Earth sciences containing drill collar | all forms | exact matches only | in specified order only
| English | Chinese |
| open hole/drill collar annulus | 裸孔/钻铤环状空间 |
| outside diameter of drill collar | 钻铤外径 |
| pressure loss in the drill collar annulus | 钻铤外围环形空间的压力损失 |
| pressure loss in the drill collars | 钻铤中的压力损失 |