东莞亿富机械SW系列通用型砂磨机General sand mill 特点Characteristic 采用双机械密封，安全无泄漏，减少对物料的污染 Double mechanical seal，no leakage，to reduce the pollution to the material 高耐磨自清洗式间隙出料，畅通无堵塞......东莞亿富机械SW系列通用型砂磨机General sand mill 特点Characteristic 采用双机械密封，安全无泄漏，减少对物料的污染 Double mechanical seal，no leakage，to reduce the pollution to the material 高耐磨自清洗式间隙出料，畅通无堵塞 High wear self-cleaning discharge gap，smooth without clogging