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汽车高速行驶时所受到的阻力主要来自于:( )

A、汽车表面的摩擦阻力;

B、地面的摩擦阻力;

C、空气对头部的碰撞;

D、尾部的旋涡。

时间：2022-04-02 16:48 关键词：西南石油大学成人高等教育平台石油工程专升本工程流体力学作业2

答案解析

D

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