| 单词 | ram air |
| 释义 | > as lemmasram air ram air n. Engineering and Aeronautics air which is constrained to enter a moving aperture; frequently attributive. ΘΚΠ the world > matter > gas > air > [noun] > air-pressure > air constrained to enter moving aperture ram air1953 1953 B. H. Jennings & W. L. Rogers Gas Turbine Anal. & Pract. i. 9 Ram air slightly compressed by the forward progress of the airplane enters the impeller. 1962 Engineering 31 Aug. 258/2 If..all the engines were out, two ram-air turbines provide electric and hydraulic power for essential flying control. 1993 Super Bike Jan. 41/1 Britten completely redesigned the cylinder heads,..permitting them to share a common airbox, which in turn is force-fed with cold air via a ram air system. < as lemmas |
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