1·How much reduction can the booster achieve in exhaust emission?
按装汽车省油器之后会减低多少排放废气量？
2·Thus there must be a big discrepancy in the exhaust emission testing data.
因此在废气数据的测试中存在较大的误差。
3·Besides, exhaust emission from cars and buses has made the situation even worse.
除此之外，从汽车和公共汽车的废气排放也使得情况更糟。
4·Exhaust emission of vehicle engines is one of the primary air pollution sources.
车用内燃机的废气排放是大气污染的主要污染源之一。
5·Exhaust emission of vehicles is one of the main sources that cause serious atmosphere pollution.
汽车尾气污染是造成严重空气污染的主要因素之一。
6·The automotive exhaust emission will do harm to people's health and destroy the ecological balance.
机动车尾气排放不仅危害人们身体健康，同时也破坏了生态环境。
7·More efforts should be made to BTEX emission inventory and BTEX control over vehicle exhaust emission.
提出了制订空气中苯系物的排污清单和加强机动车尾气中苯系物控制的建议。
8·The relationship between olefin content in gasoline and exhaust emission of gasoline engine is discussed.
讨论了汽油中的烯烃与发动机排放之间的关系。
9·The fuel spray is very important to the power performance, fuel consumption , exhaust emission of diesel .
燃油的雾化质量对发动机的动力性、经济性和排放性有着重要的影响。
10·Catalyst convertor may effectively reduce harmful exhaust emission, which is broadly used on motor vehicle.
催化转化器可以有效地减少汽车有害物的排放，在汽车上得到广泛的应用。