离心泵的基本构造是由六部分组成的，分别是：叶轮，泵体，泵轴，轴承，密封环，填料函。
Basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump, pump shaft, bearing, seal ring, stuffing box.
如有水封环，应检查其与填料函顶部的距离是否正确。
If water seal ring, should check with the stuffing at the top of the range is correct.
检查活塞环以及填料函圈的滑动面。
Check the slide faces of the piston rings and stuffing box rings.
检查活塞环以及填料函圈的滑动面。
Check the slide faces of the piston rings and stuffing box rings.
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