The emission control system is required by law to reduce the air pollution the engine could produce.
排放控制系统按法规要求来降低发动机可能产生的空气污染。
Results: The main channel of atmospheric pollution and the law governing the changes in concentration were summed up and a proposal for the control of air quality in the compartments was advanced.
结果:分析归纳了舱室大气污染的主要途径及浓度变化规律;提出了舱室大气质量控制建议。
Results: The main channel of atmospheric pollution and the law governing the changes in concentration were summed up and a proposal for the control of air quality in the compartments was advanced.
结果:分析归纳了舱室大气污染的主要途径及浓度变化规律;提出了舱室大气质量控制建议。
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