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