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The spacing is 1100, and the 5 angle steel is OK.
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2*4, one is basically about 25 yuan, and the ceiling is a square meter, counting artificial materials, it is about 35-40
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Suspended ceilings, to be supported. First time I heard about it.
The size of the sofa depends on the length of the background wall of the sofa and has nothing to do with the total area of the room.
55 inches is most suitable, the best viewing distance of LCD TV is three times that of the opposite corner of the LCD screen, 55x3 two is equal to about 4,2 meters.
You can make a TV background craft, and then decide how big the TV to buy.
m x Q7 m, large, o, 7x1 m, small.
You can eat rice on the road, but I'm afraid that you won't be able to eat it. The more people there are, the bigger the bigger. There are not many people in the family, so let's be smaller. Cosy and atmospheric.