A revolving fan or wheel.
单词 | θ75200 |
释义 | the world > matter > gas > air > fresh air > [noun] > supplying fresh air or ventilation > fan > rotating (3) vane1810 A revolving fan or wheel. fan1835 A rotating apparatus (analogous to the later forms of winnowing fan: see 1b) usually consisting of an… for producing a current of air as a means of… propeller fan1850 a fan incorporating a device resembling a screw propeller, which rotates to produce a flow of air parallel to the axis of rotation; esp. one in… |
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