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