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Depending on whether your sofa is a two-seater sofa or a three-seater sofa, the size of each brand's sofa is different.
Span meters, in fact, this is not good, not economical, the beam length is too large. Plate type, at least 150mm thick, is not economical at all. And it's not safe. >>>More
It can be considered that meters and meters can pass the Luban ruler.
Put on the wallpaper, lay the carpet, and put the furniture on again.
The north-south span is 7 meters, and the east-west span is 8 meters of living room", and it is possible not to use independent columns in the middle, but it must be designed by a qualified design unit, and a formal design plan is issued, and the appropriate structural form is selected to meet the mechanical requirements.
The north of the seat faces south, so it is good to bask in the sun in winter. On the contrary, he died in the summer. >>>More