This paper introduces the on-board VCD composition and working principle of the VCD, car maintenance procedure and specific repair methods.
分析车载VCD的组成和工作原理，论述车载VCD的检修流程及具体检修方法。
The effect of the chemical composition and working technology on the structures and properties, and the disadvantage and improvement methods in application were analyzed.
分析了化学成分、加工工艺对合金组织性能的影响，以及合金应用时存在的缺点及解决方案。
The effect of the chemical composition and working technology on the structures and properties, and the disadvantage and improvement methods in application were analyzed.
分析了化学成分、加工工艺对合金组织性能的影响，以及合金应用时存在的缺点及解决方案。
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