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