 |
| |||
| 爆破噪声的预防防止或减少爆破噪声的方法和措施。爆破噪声的基本原理是由爆破空气冲击波衰减而成的。因此，关于控制爆破空气冲击波的措施,也可作为控制爆破噪声的措施 | |||
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