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当地时间7月29日，美国亚利桑那州坦佩市一列货运火车在铁路桥上脱轨，引起大火，现场浓烟滚滚。部分桥梁垮塌，10节车厢脱轨，其中3节车厢坠落桥下。 据了解，这列火车部分车厢载有木材，数节车厢载有危险工业化学品。火车司机未受伤，附近一名居民因吸入烟尘接受治疗。
