“critical-pressure ratio”的概念、定义、翻译、参考文献-科学参考

单词	critical-pressure ratio
释义	critical-pressure ratio [`krid·ǝ·kǝl `presh·ǝr ´rā·shō] ^{FLUID MECHANICS} The ratio of the critical pressure of a nozzle to the admission pressure of the nozzle (equals 0.53 for gases).
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