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