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