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Yes, you're talking about the sewer pipe, it's better to use a 45-degree angle, and it's better not to use a 90-degree elbow.
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It depends on the planning and design of the community, whether the change of the curve is detrimental to the rights and interests of the owners, and the change of design needs to be agreed by the majority of the owners.
Find yourself to solve it and hang up headphones before going to bed.
The ground floor of a pipe building is blocked, and the upstairs needs to share the burden. >>>More
No, if the rainwater is cut off, it will flow down the exterior wall, causing the exterior wall decoration to fall off and splash everywhere.
It should be, but the diameter of the pipe is relatively thick, and the gas company decides the diameter of the main pipe according to the height of the floor and the number of users to meet the requirements of users, and I don't know the specific diameter.
The use of CF-2000 wood products waterproofing agent can effectively prevent water absorption, mildew, waterproof and anti-corrosion of wood products.