我们在调查中发现,绝大多数学校的化学实验室没有安全措施和安全设备。有的老师反映,学生仿制取氯气的实验时,赶上刮风,为了使酒精灯正常燃烧,窗子不能开。由于没有通风设备,逸散在 In our investigation, we found that most of the school’s chemical laboratories did not have safety measures and safety equipment. Some teachers report that when the students imitate the chlorine test, they catch up with the wind. In order for the alcohol lamp to burn normally, the window cannot be opened. Because there is no ventilation equipment, fugitive