bǐ / sè / fēn / xī / cāo / zuò / jiǎn / dān / shì / hé / kuài / sù / jiǎn / cè / shuǐ / yàng / zhōng / de / wū / rǎn / wù

比色分析操作简单，适合快速检测水样中的污染物。

Colorimetric analysis is simple to perform and suitable for rapidly detecting pollutants in water samples.