 |
| |||
| 活塞式井壁取心器 | |||
| 活塞式取样器; 活塞取樣器 | |||
| 活塞式取土样器; 活塞取样器; 活塞取土器; 活塞式取样器 | |||
| piston sampler: 32 phrases in 6 subjects |
| Drilling | 1 |
| Engineering geology | 13 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 2 |
| Soil science | 1 |
| Technology | 14 |
|
| |||
| 活塞式井壁取心器 | |||
| 活塞式取样器; 活塞取樣器 | |||
| 活塞式取土样器; 活塞取样器; 活塞取土器; 活塞式取样器 | |||
| piston sampler: 32 phrases in 6 subjects |
| Drilling | 1 |
| Engineering geology | 13 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 2 |
| Soil science | 1 |
| Technology | 14 |