 |
| |||
| 挖穴螺旋钻 | |||
|
drill auger : 21 phrases in 8 subjects |
| Drilling | 4 |
| Ecology | 1 |
| Electronics | 2 |
| Engineering geology | 2 |
| Hydroelectric power stations | 1 |
| Mechanic engineering | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |
|
| |||
| 挖穴螺旋钻 | |||
|
drill auger : 21 phrases in 8 subjects |
| Drilling | 4 |
| Ecology | 1 |
| Electronics | 2 |
| Engineering geology | 2 |
| Hydroelectric power stations | 1 |
| Mechanic engineering | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |