工厂的尾气排放需要严格控制。

The exhaust emission from factories needs to be strictly controlled.

汽车的尾气排放对空气污染有很大影响。

The exhaust emission from cars greatly affects air pollution.

政府正在制定新的法规来减少尾气排放。

The government is making new regulations to reduce exhaust emission.

电动车的普及可以有效减少尾气排放。

The widespread use of electric cars can effectively reduce exhaust emission.

科学家们正在研究新的技术来降低尾气排放。

Scientists are researching new technologies to lower exhaust emission.

汽车尾气排放污染已是大气污染的主要来源.

Automotive exhaust emissions have been the main source of air pollution.

车辆诊断系统可确保尾气排放真正达到法规标准。

The truck's diagnostics system ensures that the exhaust emissions really do meet the legislated levels.

如何提高汽车的燃油经济性和降低汽车的尾气排放是目前汽车工业急需解决的重要课题之一。

How raise the fuel economy and lower exhaust emission that is one of the important topics to vehicle industry currently.

通过5辆车组成的车队在各种指标不同的8种燃油上进行尾气排放试验，研究了汽油中硫含量和烯烃体积含量的变化对汽车尾气排放的影响。

The effects of gasoline sulfur and olefin content on vehicle exhaust emissions were investigated through a fleet of 5 vehicles tested with 8 different gasolines.

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 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.