soil replacement
| method
| soil replacement | |
| el. | 换土 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 换土 | |||
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soil replacement : 9 phrases in 5 subjects |
| Bridge construction | 2 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 2 |
| Technology | 3 |