自吸排污泵过流部件材质：铸铁、不锈钢。
Self-priming sewage pump over-current components Material: cast iron, stainless steel.
修复后的过流部件经5年运行依然完好如初。
汽蚀和磨损是水轮机和其他过流部件普遍存在的主要问题。
Cavitation erosion and wear are the major problems of hydraulic turbines and other hydro-equipments.
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