... 闭式叶轮;closed impeller 半开式叶轮;semiclosed impeller 叶轮搅拌器;impeller agitator ...
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closed impeller type sand pump 闭式叶轮泥浆泵
closed impeller type 闭式叶轮泥泵
closed impeller pump 隐闭叶轮泵
closed binary impeller 闭式二元叶轮
closed integral impeller 闭式整体叶轮
Single suction, single stage horizontal centrifugal pump with closed impeller.
单吸、单级卧式离心泵，用封闭叶轮。
To sum up, a 3d-flow closed impeller can be machined efficiently, precisely, reliably and integrally with this method.
两者结合，可以实现高效、精密、可靠、整体制造三元流闭式叶轮的目标。
From the performance perspective, the type of impeller and the general efficiency closed impeller or less the same, but the type of impeller pump head curve dropped more.
从性能上讲，该型式叶轮效率高和普通闭式叶轮相差不大，但用该型式叶轮泵扬程曲线较为陡降。
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