скребковый конвейер | |
tech. | armored conveyor; drag conveyor; flight conveyor; pusher-bar conveyor; rake conveyor; scraper conveyor |
забойный | |
oil | bottom-hole |
скребковый конвейер забойный: 4 phrases in 3 subjects |
Mining | 1 |
Pulling equipment | 1 |
Technology | 2 |