当传感器发现粉尘浓度达到了临界水平，就有一定的电荷促使该材料发出除尘波越过其表面。
Sensors detect when dust concentrations reach a critical level and then an electric charge energises the material sending a dust-repelling wave across its surface.
为了保持济南电动卷帘门的表面光泽和使用寿命，使用者一定要对其进行定期的清洁和除尘，对卷帘门的表面进行养护。
In order to maintain the surface gloss and service life of the electric rolling shutter door in Ji 'nan, the user must carry out regular cleaning and dust removal.
本文介绍了国外使用的几种耐高温纤维及其性能，袋式滤材的加工方法以及滤材的表面结构对除尘效率的影响。
This article introduces the characteristics of a few types of high-temperature fibers, processing way of filtration bags and their surface structure which influence efficiency de-dusting.
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