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