Changing and swing of the axis of flow power is normality.
该河段水流的动力轴线的变化和摆动是常态。
The position of power axis of flow is determined by main channel when runoff is small, while the change law conforms with the law of rectangular section when runoff is large.
当小流量时水流动力轴线的位置取决于主槽的位置，当大流量时水流动力轴线的变化规律接近矩形断面的情形。
The paper focuses on the study of dynamics parameters that include flow rate, power consumption, torque and axis force of twin screw pulping extruder.
本文主要对双螺杆磨浆机的动力学参数(流率、功耗、螺杆扭矩和轴向力)进行了研究。
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