| |||
| 压力钻孔 | |||
| 推进钻进 | |||
| 顶管法; 冲击钻孔 | |||
|
thrust boring : 10 phrases in 4 subjects |
| Drilling | 1 |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 6 |
| |||
| 压力钻孔 | |||
| 推进钻进 | |||
| 顶管法; 冲击钻孔 | |||
|
thrust boring : 10 phrases in 4 subjects |
| Drilling | 1 |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 6 |