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