英语词汇“retraction test”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	retraction test
释义	retraction test retraction test That portion of an airplane inspection in which the airplane is inspected at appropriate stages as it is put onto jacks and the landing gear is cycled through its retraction and extension sequence and inspected.
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