英语词汇“laser ceilometer”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	laser ceilometer
释义	laser ceilometer laser ceilometer [′lā·zər sē′läm·əd·ər] (engineering) A ceilometer in which the time taken by a light pulse from a ground laser to travel straight up to a cloud ceiling and be reflected to a receiving photomultiplier is measured and converted into a cathode-ray display that indicates cloud-base height.
随便看	hold them to ransom hold them up hold them up as an example hold them up to hold them up to ridicule hold them up to scorn hold the phone hold the phone! hold the purse strings hold the reins hold the ring hold the sack hold the stage hold the whip hand hold the wire hold thumbs hold tight hold 'till drop hold to hold to bail hold together hold tongue hold to ransom hold to service hold to (something)

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