水是生�的基础没有水就没有生�.下列有关水的说法不正确的是 A.水是由两个氢元素和一个氧元素组成的b.锅炉中使用硬水容易产生水垢严重时 Template




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tomski水是生�的基础没有水就没有生�.下列有关水的说法不正确的是 a.水是由两个氢元素和一个氧元素组成的b.锅炉中使用硬水容易产生水垢严重时 coloring