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Seventeen floors, isn't it almost the same as eighteen layers of hell? Please refer to it!
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find alternatives, giving
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Is it that the sewer below is blocked.
Generally, it is a problem with the sewer pipe below the ground level on the second floor. >>>More
Of course, it has to be replaced, otherwise the sewage from the bathroom on the second floor will flow to your house, won't it? This can be negotiated between the property and the 2nd floor.
It doesn't matter if it's laid out this way, it's okay.
The toilet leakage in the neighbor's bathroom is along the wall to the first floor, because it is normal for it to appear yellow and black after precipitation for a long time, because the toilet in the bathroom is leaking, its water quality is not very good, so it will appear like this color after a long time.
There are three kinds of possibilities, and you have to look at them to know how to solve them. >>>More