The oxygen sensor is widely used on modern cars is one of the sensors, the normal operation of the engine and exhaust emission control plays a vital role.
氧传感器是现代轿车上应用广泛的传感器之一，对发动机的正常工作和尾气排放控制起着至关重要的作用。
The engine was very smooth in operation but had one very marked disadvantage-thermal efficiency was only about 4 %.
该机在运转方面是很平稳的，但有一个明显的缺点，热效率仅为4 ％左右。
The reduction of the engine exhaust gas temperature is one of the key points of this technology, which will influence the safe operation of the entire filter system.
在这一技术中，发动机的排气降温是关键环节之一，它直接影响到整个尾气微粒过滤系统的工作安全性。
The reduction of the engine exhaust gas temperature is one of the key points of this technology, which will influence the safe operation of the entire filter system.
在这一技术中，发动机的排气降温是关键环节之一，它直接影响到整个尾气微粒过滤系统的工作安全性。
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