Objective:To establish a method to access the sanitary quality of indoor air.
前言： 目的：建立一个对商场室内空气质量做综合评价的方法。
After combined treatment, the water quality met the Sanitary Standard for Drinking water.
净化后水质符合饮水卫生标准。
After combined treatment, the water quality met the Sanitary Standard for Drinking water.
净化后水质符合饮水卫生标准。
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