 |
| |||
| barring; astel | |||
| astel (напр., туннеля) | |||
| roof bolting; roof support; roof propping; roof strap | |||
| barring (подземной выработки); top timbering | |||
| roof control; roof timbering (деревянной крепью) | |||
| крепление кровли: 32 phrases in 6 subjects |
| Construction | 5 |
| General | 1 |
| Geology | 1 |
| Makarov | 1 |
| Mining | 21 |
| Technology | 3 |