 |
| |||
| 隧洞的导洞掘进法 | |||
| 导坑法; 平巷掘进法 | |||
| 漂流法测表面流速的方法 | |||
| 隧道底坑法 | |||
| 导坑法 (隧道); 导洞掘进法; 漂移法; 隧道导坑法 | |||
|
drift method : 33 phrases in 8 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Electronics | 2 |
| Engineering geology | 4 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 3 |
| Technology | 20 |