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