英语词汇sealed tube怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sealed tube
释义	sealed tube 简明释义密封管：一种具有密封结构的管状容器，用于存储或运输液体、气体或其他物质，以防止泄漏或污染。网络释义 1 ?焊封管焊封管短语 1 Sealed Tube 封闭管 ; 熔封管 ; 电子密封管 2 metal sealed tube 金属真空管 3 sealed tube method 封管法双语例句 1 When the bell stopped ringing, the tube was removed and the tomb sealed. 当终有一日铃声停止时，人们就会将气管移除并将墓给封印死。 2 The tube is sealed at both ends. 这管子两端是密封的。 3 The two wires may be sealed into a glass tube and the air can be pumped out. 可以把这两根导线封入一根玻璃管内，并且可以把空气从玻璃管内抽出去去。
随便看	variance of a random variable variance of classified data variance of configuration variance of cost variance of dependent variable variance of distribution variance of estimaion error variance of estimate variance of estimation variance of estimator variance of gene frequency variance of mean variance of mixture variance of peak variance of population variance of probability distribution variance of proportion variance of random variable variance of ratio estimate variance of residence time variance of single sample variance of sum variance of the Poisson process variance of totals variance of unit weight

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