气溶胶是什么？气溶胶传播为什么防不住？
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气溶胶是什么？
举个例子，芝麻撒在蜂蜜里，几乎不会沉淀。
气溶胶=芝麻
空气=蜂蜜
气溶胶是悬浮在空气中，几乎不会沉降的小颗粒。
冠状病毒通过气溶胶传播为什么防不住？
①长期存活
②传播距离极远
③病人的呼吸会不断产生它
④粪便也会产生
This article was last edited at 2020-02-10 03:49:22