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1 引言随着人们环境保护意识的增强 ,对于有毒有害物的控制日益强化。上世纪 90年代 ,欧洲已对报废的卡车提出了具体的要求 :到 2 0 0 6年 ,占报废卡车重量 85 %的零件均需回复使用 ,且回复使用的零件不可含有对人体有害的物质 ;到 2 0 0 3年 ,每辆卡车仅允许含有 2 ｇ以下的
1 Introduction As people’s awareness of environmental protection, the control of toxic and hazardous substances increasingly strengthened. In the 1990s, Europe had set specific requirements for scrapped trucks: Parts that account for 85% of the weight of scrapped trucks will have to be returned to use by 2006, and the parts used for restoration should not contain any substances harmful to human beings; By 2003, only 2 g or less per truck is allowed