It is suggested that the specific speed would be replaced by diametric ratio,and the new nameplate would be used.
议比转速应为直径比所取代,并启用水斗式水轮机新铭牌。
It is suggested that the specific speed would be replaced by diametric ratio,and the new nameplate would be used.
议比转速应为直径比所取代,并启用水斗式水轮机新铭牌。
声明：以上例
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