The biggest difference between passages is 11.8% and 26.6% of the minimum flow-rate irrespectively.

当压力比相同时，两个换向阀不同通道流量的最大差值分别为其最小流量的11.8%和26.6%。

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This method is a variation of the discounted cash flow method that assumes some minimum desired rate of return.

此方法是贴现现金流方法(该方法假定了一个最小期望回报率)的一个变体。

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According to the theory of drilling hydraulics, prediction model for mud pump was established on the basis of ensuring minimum flow rate.

根据钻井水力学理论，在各井段最小排量确定的基础上，建立了泥浆泵泵压、泵功率预测模型。

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