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随着人类对环境保护的重视及加入《京都议定书》的国家越来越多,各个城市对尾气排放的要求也越来越严格。继公路用机动设备排放标准之后,非公路用设备的排放也越来越引起各界重视,世界各国纷纷对工程机械尾气排放制定了标准,其中最具代表的是欧洲NRMM(欧洲非公路用机动设备)排
As human beings attach importance to environmental protection and more and more countries join the “Kyoto Protocol,” the emission reduction requirements of various cities are becoming more and more stringent. Following the road with motor vehicle emission standards, non-road equipment emissions are also drawing more and more attention from all walks of life, all over the world have set standards for construction machinery exhaust emissions, the most representative of the European NRMM (Europe off-road mobile equipment )row