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