短語(yǔ)詞組短語(yǔ)fine -grinding and polishing 精磨拋光Slag Fine -grinding Technology 礦渣高細(xì)粉磨技術(shù)Fine -grinding and deep-processing 粗鐵精礦粉Fine grinding -reconcentration 細(xì)磨再選medium -fine grinding 中細(xì)粉磨one fine grinding -positive floatation 一次磨細(xì) 返回 fine grinding