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为探讨坑道空气致病菌与作业人员患病的相关性，我们调查了某军事坑道内空气致病菌污染情况，并对坑道内作业人员与坑道外执勤人员患病情况进行了比较。１ 内容与方法 １９９６～１９９８年每年１０月，对该坑道内（调查组）和坑道外办公楼（对照组）的通道、工作间、大厅
In order to explore the relationship between pathogenic bacteria in tunnels and the sickness of operators, we investigated the airborne pathogens contamination in a military tunnel and compared the prevalence of operating personnel in the tunnel with those outside the tunnel. 1 Contents and Methods From 1996 to 1998, in October of each year, the access to the inside of the tunnel (investigation team) and the office building outside the tunnel (control group), the working room, the lobby