positive displacement rotary vane pump的意思|示意
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容积式叶片泵
positive displacement rotary vane pump的网络常见释义
正排量旋转叶片泵 ... rotary vane mixing pump 回旋叶片混和泵 rotary vane vaccum pump coupling 回转式叶片真空泵联轴器 positive displacement rotary vane pump 正排量旋转叶片泵 ...