英语词汇“convergent-divergent exhaust duct”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	convergent-divergent exhaust duct
释义	convergent-divergent exhaust duct convergent-divergent exhaust duct An exhaust duct used in supersonic aircraft. The cross-sectional area of the duct decreases in the direction of the airflow until it is so small that the gas flow becomes supersonic. Thereafter, the duct enlarges so the gases further speed up above the speed of sound.
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