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