pipe sinking
| method
| pipe sinking abbr. | |
| busin. | 沉管; 沉管法 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 沉管; 沉管法 | |||
| 下管 | |||
|
pipe sinking : 7 phrases in 3 subjects |
| Bridge construction | 1 |
| Hydroelectric power stations | 1 |
| Technology | 5 |