Two kinds of key sensors, hot-film mass air flow (MAF) sensor and universal exhaust oxygen gas sensor, for the AFR control are fully studied in this paper.

本论文主要研究空燃比控制中的两种关键传感器：热膜式空气质量流量传感器和宽带型废气氧传感器的动态性能。

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A new kind of thermopile sensor system for vehicle exhaust gas monitoring was designed, aiming at new emission standards and measurement methods of vehicle exhaust gas.

针对汽车尾气新的排放标准和检定方法的实施，设计了用于汽车尾气监测的热电堆传感器系统。

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The sealing device with the structure can be used to separate exhaust gas from air in the oxygen sensor so as to play an effective sealing effect and prolong the service life of the oxygen sensor.

这种结构的密封装置，将废气与氧传感器中的空气隔绝，起到有效的密封效果，延长氧传感器的使用寿命。

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Bolt comes with a trick-looking two-into-one exhaust system, which includes an oxygen sensor and exhaust gas catalyst that works with the closed-loop fuel injection system.

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