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