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。

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Explosion-proof flexible connecting pipes is used in explosion-proof telephone station, explosion-proof terminal, explosion-proof loud-speaker inlet or outlet to conduit and protect the cable.

防爆挠线连接管用于防爆电话站、防爆接线箱、防爆扬声器的输入，输出口到布线钢管之间的过渡连接，起到保护电缆的作用。

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The jealous Japanese students, notably a boy named Shinda, secretly took away a piston or springs from my brother's instrument, drilled a hole in the connecting conduit, or removed a cork, but my brother's position as the first trumpeter was secure.

NPR: 'A Tale of Music': From 'Literature from the Axis of Evil'