screw ventilator
plural of demurrer
A surname from Irish.
(historical) A kind of ventilating apparatus using a propeller.
A country in southeastern Europe, having borders with Albania, North Macedonia, Bulgaria, and Turkey. Official name: Hellenic Republic
航海中、古い船は下甲板が息苦しくなるのを防ぐためにプロペラ式換気装置に頼っていた。
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DiQt
Free
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