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