Started with the car's overall maintenance, the paper pointed out that people often overlook the automotive chassis importance and maintenance.

本文从人们对汽车整体的维护入手，指出了人们常常忽略的汽车底盘的重要性以及对其的维护和保养。

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In this paper, we want to introduce the measurement principle of automotive chassis dynamometers and a testing method. And we can educe the uncertainty of the standard value by analyzing.

本文简要介绍了汽车底盘测功机的测量原理，以及对其进行检测的方法，并通过分析得出由检定装置给出的标准值的不确定度。

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The paper reviews the application of cold-rolled, hot-rolled steel sheet and round steels in the cab and chassis of domestic heavy truck, and discusses the methods to reduce automotive dead weight.

综述了国内重型汽车驾驶室和底盘用量较大的钢材——冷轧钢板、热轧钢板和圆钢在重型汽车上的应用现状，讨论和分析了降低汽车自重的途径和方法。

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