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为确保北京奥运会顺利进行,从5月份开始,北京周边地区限制和停止部分危险化学品的运输和生产,上海等地对剧毒化学品也相继实施了特别管
In order to ensure the smooth progress of the Beijing Olympic Games, from the beginning of May, the surrounding areas in Beijing have restricted and stopped the transportation and production of some dangerous chemicals. Shanghai and other places have also successively implemented special regulations on highly toxic chemicals