METHODS The air samples from 0.5, 1.0, 1.5 meters high in ward were collected by plate sedimentation and the sampling time was 5, 10, 15 minutes respectively. The total bacterial count was detected after being cultured for 24, 48, 72 hours.
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美
释义
方法 用平板沉降法于病室内 0 .;5、1
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