英语词汇“threshold-crossing height”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	threshold-crossing height
释义	threshold-crossing height threshold-crossing height (TCH) The height of the straight-line extension of the visual or electronic glide-slope above the runway threshold. On approach charts, the symbol TCH indicates the threshold-crossing height.
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threshold-crossing height