2818| 12
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寻求帮助:软化水设备出水不合格!! |
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补充一下,我的控制头是255/440i
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发表于 2007-4-4 10:08
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氯的含量只会影响膜的使用,关键是氯影响硬度吗???
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发表于 2007-4-4 12:21
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发表于 2007-4-9 09:48
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