The fan pulls air through the intake opening, conduit, and outlet opening.
风扇吸入空气穿过入口开口、导管和出口开口。
The snorkel includes an air intake opening, an outlet opening, and a conduit fluidly connecting the intake and outlet openings.
通气管包括空气入口开口、出口开口以及与入口和出口开口成流体连接的导管。
In one preferred embodiment, the snorkel includes a cap connected to the snorkel wherein the cap partially obstructs access to the intake opening in order to prevent contamination of the conduit.
通气管包括被连接至通气管的帽，其中，帽部分地阻隔进入入口开口的机会，以防止导管的污染。
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