英语词汇bed expansion ratio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	bed expansion ratio
释义	bed expansion ratio 简明释义床层膨胀比网络释义 1 ?床层膨胀比 ... bedexpansion [离子交换]层床膨胀度 bed expansion ratio 床层膨胀比 bed frame 底座 ... 双语例句 1 With increase of bed height, air pressure and power consumption rise, expansion ratio of the bed decreases, but the density stability and critical fluidized velocity of the bed are hardly changed. 随着床层高度的增加，所需风压及功率增大，膨胀率有所降低，而床层密度的稳定性和起始流化气速几乎不变。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。