... coal-dust brick 煤灰砖 coal-dust stained yarn 煤灰纱 Coal mine dust concentration transducer 煤矿用粉尘浓度传感器 ...
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Electret air filter material has superior filter performance, so it is considered as ideal filter material for coal-dust stained yarn.
驻极体空气过滤材料具有优良的过滤性能，是治理“煤灰纱”的理想过滤材料。
The paper briefly introduces the reasons and conditions of coal dust stained yarn, and provides the method, which uses electrets as the material of filters to deal with coal dust stained yarn.
介绍了煤灰纱的成因及机理，提出了一种用驻极体作为滤料防止煤灰纱的方法。
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