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