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What does this have to do with sewers?
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Sprinkle with PVC pipes on the outside.
1.The first floor is a restaurant, and the upper two floors are dormitories, which are designed according to the dormitories of public buildings; >>>More
In your case, the effect of using thermal insulation curtains is not much better. >>>More
The walls between the bedroom and the living room are mostly load-bearing walls. The load-bearing wall cannot be destroyed, let alone a hole to make a door.
Forty years ago, during the war in Shandong, Zhang Qiren's pregnant wife was taken captive by thieves. He lived in Henan, resettled down to marry a wife, and gave birth to a son Zhang Ne, and soon his wife died, and then married Niu and gave birth to a son Zhang Cheng. Zhang Ne was abused by his stepmother Niu and got up early to work at night, but Zhang Cheng cared for him and often helped him chop wood behind his parents' back.
There are only two floors, for flushing toilets, I don't know how many toilets there are, how many taps, how many people use them, what type of urinal is. It is not easy to determine the flow, the head can be selected 10-15 meters, no matter how big it is, it is useless.