latch gear casing 弹键装置箱
outer plane latch gear 外翼锁定机构
landing gear down latch cylinder 起落架下闩作用筒
gear shift reverse latch spring 变速回动闩弹簧
landing-gear lock latch 起落架锁销
landing-gear safety latch 起落架保险锁
landing gear up latch cylinder 起落架上位锁作动筒
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