本文通过对大圆钢材的探伤质量分析，采取有效控制措施，实现了质量攻关的控制目标。
In this paper, on the great circle of steel quality analysis testing, to take effective control measures, quality research to achieve the control objectives.
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。
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.
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