 |
| |||
| 吸水坑; 抽水坑; 泵井 | |||
| |||
| 水泵坑; 抽水机坑; 泵坑 | |||
| pumping pit: 20 phrases in 7 subjects |
| Ecology | 1 |
| Electronics | 3 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |
|
| |||
| 吸水坑; 抽水坑; 泵井 | |||
| |||
| 水泵坑; 抽水机坑; 泵坑 | |||
| pumping pit: 20 phrases in 7 subjects |
| Ecology | 1 |
| Electronics | 3 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |