The rolling motion resistance of running automobile are expounded, and a method for testing the rolling motion resistance of running automobile is introduced in this paper.
论述汽车行驶工况的滚动阻力， 介绍一种测试汽车滚动阻力的方法。
This is so because the resistance to motion is essentially due to the deformation of the rolling elements and, hence, is not a sliding phenomenon.
之所以这样是因为对运动的阻力基本上源于滚动零件的变形，而不是滑动现象。
The size and number of steel wheel lug's holes, formed within the same distance, reflect directly its motion resistance when rolling in paddy field.
水田铁轮在水田中滚动时，在相同区段上所形成的刺孔的大小与多少直接影响共滚动阻力的大小。
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