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