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单词 汽密
例句 DEFINITIVE EXAMPLES 权威例句〔vapor density〕The ratio of the weight of a given volume of one gas to the weight of an equal volume of another gas, typically hydrogen, at the same temperature and pressure.蒸汽密度:一定量的一种气体的重量与相等量的另一种气体的重量,通常为氢气,在温度和压力相同时的比率美国传统〔vapour-proof〕The recorder case is made of die cast aluminum, and it's vapour-proof.录音机盒子是用压铸铝做成,所以是汽密的。英汉大词典
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更新时间:2024/11/11 9:46:47