 |
| |||
| drag-chain conveyer | |||
| chain-and-flight conveyor | |||
| drag chain conveyor | |||
| цепной скребковый конвейер: 5 phrases in 4 subjects |
| Construction | 1 |
| Geology | 2 |
| Technology | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| drag-chain conveyer | |||
| chain-and-flight conveyor | |||
| drag chain conveyor | |||
| цепной скребковый конвейер: 5 phrases in 4 subjects |
| Construction | 1 |
| Geology | 2 |
| Technology | 1 |
| Weapons of mass destruction | 1 |