释义 n.[动力][机] 叶轮;推进者复数impellers 实用短语pump impeller水泵叶轮,泵轮double channel impeller pump双流道叶轮泵,双路式叶轮泵impeller diameter叶轮直径,直径,叶轮轮辐直径three channel impeller pump三流道叶片泵,三作用滑片泵,详细翻译shrouded impellersingle channel impeller pump单流道叶轮泵pump with overhung impeller悬臂叶轮泵enclosed impeller封闭式叶轮,闭式叶轮,封闭式动叶轮,闭式叶轮英语open impeller 常用短语pump impellerfan impellerimpeller diameterimpeller pumpimpeller bladeblower impeller 同根词词根: