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No, the pipe manholes of the 110 do not do much.
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It doesn't matter, the main thing is that when the pipe is blocked, it is easy to open and dredge.
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See CJJT29-2010 for details. It's always good to do more research on the norms yourself.
The three PVC pipes are: sewage pipes; snorkels; Waste pipes. >>>More
This is so easy to deal with.
The outside of the package riser is a brick bar. >>>More
Looking for decoration and property, it should be caused by the decoration of the water pipe, the problem of the house leaked before the decoration, but also depends on the quality of the house.
It will affect the discharge, and it is still very affecting.
1.If the material of the sewage pipe is PVC, it is best to buy an elbow like it and replace it. >>>More