罐中的风扇使空气流过过滤器，这样净化的空气通过软管达到面具。
The canister USES a fan to force air through the filter, and then the purified air runs through a hose to the mask.
诸如此类的复杂机器遍身是令人不解的阀门、过滤器、管道、软管、耦合器、轴承、开关、量表、仪表和传感器。
Complex machines like this are riddled with valves, filters, tubes, hoses, couplings, bearings, switches, gauges, meters and sensors.
将组件(2)软管连接到过滤器壳体(1)，并用上卡箍(5)打上保险。
Connect the hose of the assembly (2) to the filter housing (1) and safety it with the upper clamp (5).
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