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