Be aimed at the characteristic of the fault influencing to exhaust, building the fault diagnosis expert system through idea and method of the analyzing exhaust gas emission component is researched.

并针对影响汽车排放的故障的特点，通过废气排放成分分析的诊断思路及方法，对构建尾气分析专家系统进行了研究。

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The main component of the system, the exhaust fan, can not be polluted by the soot, needs no cleaning, and has the advantages of simple maintenance, long service life and good soot separating effect.

系统中主要部件排风机将不会受到油污的污染，且不需清洗，具有维护简单，使用寿命长和油烟分离效果高的优点。

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