英语词汇“manual depressurization valve”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	manual depressurization valve
释义	manual depressurization valve manual depressurization valve A backup valve in an aircraft pressurization system to control cabin pressurization by manually controlling the outflow of air from the cabin in the event of the failure of the automatic system.
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