为什么水会有腥味?

十一月 23rd, 2007 by elderzhang

Q:我们学校的生活用水会有腥味??

A:实际上是次氯酸钙的未完全转化为次氯酸,而在高压的情况下产生的特殊气味

s:http://www.chinacitywater.org/bbs/archiver/?tid-37400.html

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八月 20th, 2007 by elderzhang

天啊

三月 31st, 2007 by elderzhang

有些事情并不一定要等条件完全具备了才可以开始去做的

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