water-level recovery
| method
| water level recovery | |
| eng.geol. | 水位恢复 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 水位恢复 | |||
|
water-level recovery : 7 phrases in 2 subjects |
| Rail transport | 1 |
| Technology | 6 |