英语词汇“obstacle clearance”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	obstacle clearance
释义	obstacle clearance obstacle clearance [′äb·stə·kəl ‚klir·əns] (navigation) In air operations, the vertical distance between the lowest and the authorized height of operation. obstacle clearance In air operations, the vertical distance between the lowest and the authorized height of operation.
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