 |
| |||
| 有枪身射孔如果用金属套管将爆炸元件，如导爆索、射孔弹封闭，那么这种枪就叫做有枪身射孔枪，否则，称为无枪身射孔枪。采用有枪身枪的射孔作业称为有枪身射孔 | |||
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