The results indicate that the most increment of pump assembly efficiency is 9.85% by adjusting blade angle.

结果表明：实施变角经济运行后，泵装置效率最高可提高9.85%；

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The results indicate that the most increment of pump assembly efficiency is 9.85% by adjusting blade angle.

结果表明：实施变角经济运行后，泵装置效率最高可提高9.85%；

youdao