stuffing box seal 填料密封 ; 填料函密封
stuffing box seal ring [铁路] 填料盒密封圈
Basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump, pump shaft, bearing, seal ring, stuffing box.
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。
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