the air drag coefficient 空气阻力系数
Automotive frontal area is projected area of automobile driving direction, which is necessary parameter of measuring automotive air drag coefficient.
汽车迎风面积是指汽车在行驶方向的投影面积，汽车迎风面积是求汽车空气阻力系数的必需参数。
The air conditioning refrigeration fuel consumption, the drag coefficient will affect the vehicle's fuel consumption.
空调制冷上的燃油消耗问题、风阻系数也会影响到车辆的油耗。
The research indicates that, the method of Computational Fluid Dynamics can calculate the drag coefficient of the irregular parts in air and flue gas ducts appropriately.
为计算电厂烟风道设计中常见异形件的阻力，采用计算流体动力学方法研究了典型异形件的阻力系数。
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