| 单词 | spin tunnel |
| 释义 | > as lemmasˈspin tunnel ˈspin tunnel n. Aeronautics = spinning tunnel n. at spinning n. Compounds 2. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > construction and servicing aircraft or spacecraft > [noun] > testing equipment stabilimeter1907 altitude chamber1918 spin tunnel1947 space chamber1959 1947 A. Pope Wind-tunnel Testing i. 11 The vertical tunnels for testing parachutes differ from the spin tunnels in that they require an even velocity front instead of the dish-shaped front required for the spin tunnel. 1959 F. D. Adams Aeronaut. Dict. 158/1 The air speed in the spin tunnel may be kept equal to the rate of descent of a tested model, causing the model, while spinning, to remain at a given height relative to the observer. < as lemmas |
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