centrifugal pump coupling with open impeller pump coupling
工业泵联轴器中英文对照(二) ... centre-packed type pistonpump coupling 中央密封式活塞泵联轴器 centrifugal pump coupling with open impellerpump coupling 开式叶轮离心泵联轴器 centrifugal pump coupling with semien closed impellerpump coupling 半开式叶轮离心泵联轴器 ...
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