shield driving
| method
| shield driving | |
| tech. | 盾构掘进 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 盾构掘进 | |||
|
shield driving : 9 phrases in 2 subjects |
| Engineering geology | 1 |
| Technology | 8 |