| 单词 | air tunnel |
| 释义 | > as lemmasair tunnel air tunnel n. †(a) a large pipe for ventilation (obsolete); (b) = wind tunnel n. at wind n.1 Compounds 2. ΘΚΠ the world > matter > physics > mechanics > dynamics > fluid dynamics > [noun] > aerodynamics > wind tunnels air tunnel1805 tunnel1911 wind tunnel1911 wind-channel1918 smoke tunnel1931 spinning tunnel1934 hotshot1957 1805 Jrnl. Nat. Philos. Sept. 34 It [sc. a furnace] had three principle parts: 1. the air tunnel and ash-hole; 2. the fire-place; 3. the hearth and chimney. 1847 M. F. Tupper Probabilities 96 Such helps to ventilation as leathern pipes, air tunnels and similar appliances. 1902 Science 29 Aug. 342/2 In a special building..is a wooden air tunnel fifty feet long by six feet square in cross sections, having a five-foot suction fan at one end. 2003 Proc. Royal Soc. B. 270 1602/2 The testing platform or frame was placed in an air tunnel with upward currents. < as lemmas |
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