Emissions mostly come from vehicle exhausts, factories, artificial fertilisers and manure from intensive farming.
氮排放主要来自汽车尾气、工厂、及集约化农业中使用的化肥和粪肥。
There are no simple solutions to air pollution, but people could reduce air pollution by saving energy and reducing the emissions from vehicle exhausts and power stations.
没有解决空气污染的简单办法,但是人们可以通过节能、减少车辆和火力发电站的废气排放来减少污染。
With regulations on vehicle exhausts become increasingly strict, development and application of the three-way catalytic converter has become the fundamental approach to control vehicle emissions.
随着汽车排放法规的日益严格,三元催化转化器的开发和应用已经成为控制汽车排放污染物的根本途径。
With regulations on vehicle exhausts become increasingly strict, development and application of the three-way catalytic converter has become the fundamental approach to control vehicle emissions.
随着汽车排放法规的日益严格,三元催化转化器的开发和应用已经成为控制汽车排放污染物的根本途径。
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