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旧 Jul 17th, 2020, 07:23     #5
山河故人
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默认

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作者: 2018-2019 查看帖子
浴缸有个笼头,笼头上有个提子,一提就变成淋浴了。不提,水是不漏的。一提,地下室就哗哗的滴水。
俺百思不得其解。谢谢指教。
那就是上行到淋浴头这一段路程中,有泄露点存在,就是这道理。
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