风机过滤器单元(FFU)系统有着诸多的优点，在国外的净化工程中得到了极为广泛的应用。
FFU system has its own advantage in clean room construction and operation. Ithas been applied worldwide.
当门关闭以供电时，过滤器单元和电场充电单元上的接触件配合安装在框架上的箱上的协配接触件。
Contacts on the filter unit and the field charging unit engage cooperating contacts on an enclosure mounted on the frame when the door is closed to supply electrical power.
过滤器单元中设有线屑过滤器 （61），并且设有与空气排出口（46）及空气导入口（47）相连通的管 道。
The filter unit 60 is provided with a lint filter 61 and a duct communicating with an air outlet 46 and an air introduction opening 47 is formed.
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