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12、防尘灰尘对于档案具有很大危害，尤其是在充斥油污和酸的工业区。防尘势在必行，但又无法完全消除，灰尘无处不有，即使设计最好的库房也不能例外。应该区分来自库房外部的灰尘和库房内部产生的灰尘c防止室外灰尘进入的最佳方法就是使空气经过滤后再进入室内。室内灰尘的主
12, dust and dust for the file has a great hazard, especially in the industrial area full of oil and acid. Dust is imperative, but can not be completely eliminated, dust everywhere, even the best designed warehouse is no exception. Dust from outside the storeroom and dust inside the storeroom should be distinguished. The best way to prevent outdoor dust from entering is to filter the air before it enters the room. Interior dust of the Lord