breast mining
相关英语词汇推荐
- single stage separation
- drop crushing
- fast extraction
- tunneling equipment
- bolt installing equipments
- alidade
- burning time
- tilting cup feeder
- through
- workings
- crusher head
- lump formation
- internal impedance
- Intermediate product
- hand held drifter
- cement injection
- worm gear drive
- Residual expansion rate
- full load running
- elastoplastic rock