fine grinding
短语词组
- fine -grinding and polishing 精磨抛光
- Slag Fine -grinding Technology 矿渣高细粉磨技术
- Fine -grinding and deep-processing 粗铁精矿粉
- Fine grinding -reconcentration 细磨再选
- medium -fine grinding 中细粉磨
- one fine grinding -positive floatation 一次磨细 返回 fine grinding