Last Updated
：2025/12/05
screw ventilator
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（ plural ）
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(historical) A kind of ventilating apparatus using a propeller.
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screw ventilator
During the sea voyage, the old ship relied on a screw ventilator to keep the lower decks from becoming stifling.
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During the sea voyage, the old ship relied on a screw ventilator to keep the lower decks from becoming stifling.
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