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１９９８年 ７月，对十堰市东风汽车公司１０所托幼机构细菌污染进行了检测。对室内空气用平板沉降５ ｍｉｎ采样，检测细菌总数超标（＞ ２５００ ｃｆｕ／ ｍ３）率为 ３５．０％（３５／ １００）。对水龙头、玩具等物体表面用棉拭涂抹采样，检测细菌总数超标（＞８ｃｆｕ／
July 1998, the Shiyan City Dongfeng Motor Corporation 10 nurseries bacterial contamination were checked. The indoor air was sampled by flat plate for 5 min, and the total bacterial count exceeded (> 2500 cfu / m3) was 35.0% (35/100). Faucets, toys and other objects with cotton swab smear sampling, testing the total number of bacteria exceeded (> 8cfu /