- 讲师:刘萍萍 / 谢楠
- 课时:160h
- 价格 4580 元
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It is determined through tests that the harmful substances in a fog droplet, such as acid, sodium, salt, amine, phenol, dusts and pathogen microbes, are dozens of times more than that in a normal atmospheric water drop.
责编:李亚林
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