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