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