... high drop 高空投放 high efficiency air filter unit 高效空气过滤器设备 high expansion foam 高倍数泡沫 ...
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FFU laminar flow unit is an air filtering and purifying unit with its own blower fan, it comprises of primary efficiency filter, blower fan, high efficiency filter and static pressure box.
FFU层流罩是一种自带风机的空气过滤净化单元，它由初效过滤器、风机、高效过滤器和静压箱组成。
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