英语词汇impeller hub 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	impeller hub ratio
释义	impeller hub ratio 简明释义叶轮轮毂比网络释义 1 ?叶轮轮毂比 ... density ratio 相对密度 impeller hub ratio 叶轮轮毂比 impelling ratio 作用系数；推动系数 ... 双语例句 1 Final design scheme is confirmed after economic and technical analyse. Then, axial fan 's stage type, impeller diameter, hub ratio , specific speed and the number of blades are decided. 在进行经济技术性分析后，最终确定风机的设计方案，进而确定通风机适当的级型式、叶轮尺寸、轮毂比、转速和叶片数等基本参数。
随便看	residue disposal system Residue,Drug residue extraction mechanism residue field residue-free residue fuel residue gas residue half life residue handling and removal system residue hydrodesulfurization residue income residue length residue level residue Lie ring residue modulus nine residue number system residue of a function residue of combustion residue of diseased plant residue of evaporation residue of expenditure residue of function at pole residue of hearing residue of pesticide residue of placental debris

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