 |
| |||
| conveyor elevator; high-aluminous-angle belt conveyor; steep gradient belt conveyor | |||
|
Steilbandforderer : 2 短语, 1 学科 |
| 矿业 | 2 |
|
| |||
| conveyor elevator; high-aluminous-angle belt conveyor; steep gradient belt conveyor | |||
|
Steilbandforderer : 2 短语, 1 学科 |
| 矿业 | 2 |