casing grouting
| method
| casing grouting | |
| tech. | 套管灌浆 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 套管灌浆 | |||
|
casing grouting : 4 phrases in 3 subjects |
| Drilling | 1 |
| Hydroelectric power stations | 1 |
| Technology | 2 |