With regard to the flow around a sedan’s wheels, there are too many simplifications in the past studies. Thus, it is necessary to carry out studies about the external flow around a sedan in detail with the rotating wheels condition.
对于轿车车轮流场，先前的研究中常常进行了过多的简化，所以有必要开展比较详细的在车轮旋转影响下的轿车外流场研究。
参考来源 - 车轮旋转条件下轿车外流场的数值计算研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The coefficient of drag and coefficient of lift in the circumstance of rotating wheels is lower.
汽车在车轮旋转情况下，阻力系数和升力系数比车轮静止情况下的低。
The frame of the car doubles in half and the head of the driver strikes the windshield while the still rotating wheels fall to the road.
汽车大架挤压成原来的一半，当仍然旋转的车轮落地时驾驶员的头撞上了挡风玻璃。
Aluminum metering chamber, thread connection. Mechanical readout device with rotating wheels. subtotals an be set to zero, total readouts can not.
带手轮的机械流量表，升数可以手动回零，总累不能回零。
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