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