天气预报 > 体育 > 取无菌溶液时先倒出少量溶液的目的是
取无菌溶液时先倒出少量溶液的目的是
更新时间: 2021-02-01 15:19:12  

1、取无菌溶液时先倒出少量溶液的目的是为了冲洗瓶口,瓶口冲洗主要是更加保障瓶口无残液,为了更进一步的防止污染,保持无菌状态,取出的溶液瓶口本来就够无菌,冲洗起到保险的作用。

关键词: 溶液 少量 目的

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