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The height of the ceiling, the width and narrowness, mainly depends on the height of your room, the height of your room, how to collapse and make a noise, it is good to look at it, if it is lower, you have to drop the shirt, the pure narrow, or even directly press a circle of gypsum line OK
The width and height of the cabinet are generally around 55 cm and 85 cm. Depending on the height of the family members, it can be adjusted appropriately.
40 above 60. Today's flat-screen TVs don't have a strict limit on the viewing distance. If it's a 4K TV, as long as you can watch the whole TV screen in normal viewing.
The installation distance of downlights is generally 1 meter, the width is not less than 50CM space, and the height is not less than 2.2 meters from the ground.
The secondary ceiling is generally 120-150 from the top, the secondary height is 80---150, and the width is about 450-800.
The 20-square-meter dining room ceiling is simple and costs about 3,000 yuan.