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