英语词汇“height above touch-down”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	height above touch-down
释义	height above touch-down height above touch-down [′hīt ə‚bəv ′təch‚dau̇n] (navigation) In air operations, the height of the minimum descent altitude above the highest elevation in the touch-down zone. Abbreviated HAT.
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