 |
| |||
| 高温炮孔爆破普通炸药在温度超过70hot80°C时会发生分解,所以不能在高温下作用。当爆破现场高于上述温度时,必须采用耐热炸药和耐热电雷管。在此条件下的爆破称为高温炮孔爆破 | |||
| 热鼓风炮眼爆破 | |||
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