peak efficiency短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 峰值效率 When the pump runs off the peak efficiency, the error of conversion method decreases in the large flow-rate region, while increases in the small flow-rate region, with a maximum error of 3.043%. 水泵装置在非最优工况下变速运行时，大流量侧装置性能参数按相似律换算误差变小，在小流量侧换算误差增大，最大相对误差达3.043%。 caesv