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