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