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