Than the speed in the 80 to 150 between the centrifugal pump with a flat performance curve.
比转速在80 ~ 150之间的离心泵具有平坦的性能曲线。
Twice during his trading career, clients left after down or flat performance periods.
在他的交易生涯中，有2次因为亏损或平平的业绩导致客户离开了。
Twice during his trading career, clients left after down or flat performance periods.
在他的交易生涯中，有2次因为亏损或平平的业绩导致客户离开了。
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