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