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