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