提出粉尘的环保卫生问题，结合实际，设计粉尘回收系统。
Put forward the environmental protection hygiene problem of the dust, join together foot, design recovery system of the dust.
扼要地介绍了雾化铝粉细粉回收系统，分析了系统粉尘飞扬的根源。
Introduced the thin atomized aluminum powder recovery system in brief and finding out why the system dust floats in the sky.
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