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