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