Traditional Culture Encyclopedia - Traditional festivals - The indoor water supply and drainage system of a building consists of several basic parts.
The indoor water supply and drainage system of a building consists of several basic parts.
Indoor: water supply system: 1, water inlet pipe, 2, water meter node, 3, water distribution network, 4, water supply fittings, 5, booster and water storage equipment, 6, indoor fire fighting equipment drainage system: 1, domestic sewage drainage system, 2, production sewage (waste) water drainage system, 3, rain (snow)
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