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Anonymous users2024-01-24In residential buildings, the 3900 4400 span is slightly larger, and it is a 120-thick two-way stressed plate. As long as your concrete grade can reach about C25, single-layer two-way reinforcement, pay attention to the negative reinforcement of the bearing or the negative reinforcement of the surrounding support structure, the reinforcement grade HRB400, the diameter is 8mm, and the spacing is 150mm.
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Anonymous users2024-01-23The hardness is not enough, or the cement problem is related to the thickness.
Solid wood flooring definitely needs coating maintenance, because solid wood flooring is different from other floors, the surface of solid wood flooring is painted (with wear-resistant floor paint), and the paint film will produce small scratches after a long time, so the maintenance of floor coating oil makes it always new. Like solid wood parquet flooring and composite laminate flooring, the coating will aggravate the aging of wood flooring, so it is recommended that solid wood parquet flooring and composite laminate flooring should not be coated or renovated.
If the landlord is not very busy, you can choose a crystal lamp, if you are busy, it is recommended to have an acrylic ceiling lamp! >>>More
Well, I'll tell you.
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Short essays in English? I was going to make it up, and I just forgot about English (
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