drill string
| composition
| drill string abbr. | |
| dril. | 钻杆串 |
| eng.geol. | 钻管; 钻杆; 钻杆柱; 钻具组 |
| oil | 钻柱 |
| composition abbr. | |
| gen. | 作品; 文 |
| econ. | 比例构成 |
| fin. | 债务和解; 偿包部分欠款了结债务的协议 |
| met. | 合成物; 制品 |
| space | 复合材料 |
| sport. med. | 合成 |
| |||
| 钻杆串包括钻杆及工具接头等下井附件 | |||
| 钻管; 钻杆; 钻杆柱; 钻具组 | |||
| 钻柱 | |||
| 钻杆组 | |||
|
drill string : 65 phrases in 6 subjects |
| Drilling | 16 |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Nautical | 1 |
| Oil / petroleum | 28 |
| Technology | 17 |