completely shrouded impeller的意思|示意
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全闭式叶轮
completely shrouded impeller的网络常见释义
全闭式叶轮 ... single shrouded impeller 单侧板式叶轮 completely shrouded impeller 全闭式叶轮 ump with shrouded impeller 闭式叶轮混流泵 ...