The paper points out several respects which should be noted in operation, and introduces a new dust-cleaned device for electrical dust collector.
文章指出了电收尘器在使用中应注意的几个方面，并介绍了一种新型的电收尘器清灰装置。
2
Irrelevant standard fordust control would only cause exaggeration and impulsion in the practical work, and hinder the dust control practic to be carried out effectively.
脱离实际的防尘标准，只能导致实际工作中的虚夸与浮躁，不利于防尘工作的正常开展。
3
The selection of a sensor that is suitable for an ex area that is exposed to dust cannot be made until after the zoning allocation carried out by the operator.