空调在使用一段时间后，过滤网、蒸发器和送风系统上会积聚大量灰尘、污垢，产生大量的细菌、病毒。
Air conditioning in the use of a period of time, screen pack, evaporator and air supply systems will build up large dust, dirt, producing a large amount of bacteria, virus.
本文介绍了超细银粉制备技术的各种方法，尤其重点介绍了真空油面蒸发法和沉淀过滤法等。
Different methods of preparing silver Powders are introduced in detail. The emphasis is given to the VEROS and precipitate filter.
介绍了胶粘剂迁移的脱水蒸发原理和过滤原理，也详细讨论了胶粘剂迁移的主要推动力解释，即毛细渗透力和压力渗透力。
This paper introduced both mechanisms of dewatering and evaporation, and filtering. The main drives for binder migration were discussed in detail, which are capillary force and penetration pressure.
介绍了胶粘剂迁移的脱水蒸发原理和过滤原理，也详细讨论了胶粘剂迁移的主要推动力解释，即毛细渗透力和压力渗透力。
This paper introduced both mechanisms of dewatering and evaporation, and filtering. The main drives for binder migration were discussed in detail, which are capillary force and penetration pressure.
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