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