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为了防止和减少事故,保证水泵正常送水,我们把100/30和200/40两种水泵的活瓣,改革为一体式水泵活瓣。经过一年多的实用,效果良好。
In order to prevent accidents and reduce accidents, and to ensure the normal water supply of the pumps, we changed the flaps of the 100/30 and 200/40 pumps into integral pump flaps. After more than a year of practical use, the effect is good.