Electret air filter material has superior filter performance, so it is considered as ideal filter material for coal-dust stainedyarn.
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。
2
The paper briefly introduces the reasons and conditions of coal dust stainedyarn, and provides the method, which uses electrets as the material of filters to deal with coal dust stainedyarn.
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。
3
A teenage worker uses dye-stained hands to hold a tangled nest of red yarn.