All air duct and water duct are not shown in clean room.

所有气喉和水喉在净化室尽量不外露。

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When the boat is under sail, water forced through the duct turns the blades of a small hydroelectric generator that charges a bank of lithium-ion batteries.

当船在航行时，被迫通过管道的水旋转一个小型水轮发电机的桨叶，发电机给一组锂离子电池充电。

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Fan, pump, air duct, water pipe, vent.

风机，水泵，风道，水管，风口。

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But he was afraid of falling asleep and dropping into the gator-filled water, so he duct taped himself to a branch.

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Opponents of the method, however, are saying that the conversion process uses great amounts of fossil fuels and that it harms marine life through its vast duct system whereby it pipes water into the desalination facilities.

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