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今天凌晨2点,多伦多市病童医院(Hospital for Sick Children)发生液氮泄露。危险物品处理组于凌晨4点赶赴现场,检查后发现泄露点位于医院一处正在施工建设的研究实验室内。随后专家对该处泄露点进行了再次密封。 |






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