 |
| |||
| 岩石巷道简称“岩巷”。在掘进断面中，岩石面积占全部或绝大部分〈一般大于4/5 ＞的巷道 | |||
| 岩石平巷; 水平石坑道 | |||
| rock drift: 2 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips