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Anonymous users2024-01-24The rated pressure of natural gas is 2000pa. The calculation of gas consumption is based on the gas consumption of the equipment, and has nothing to do with pressure.
4 12-inch 400W professional entertainment speakers, two single fifteen subwoofers, three professional amplifiers, one preamp, one wireless microphone, and one set of song orderer.
There is no standard number for the material ratio of light steel keel ceiling, which is generally related to the shape and height of the room. If the height of the room does not exceed 4 meters, it is usually: >>>More
You didn't say how wide the TV side is and the sofa side. The living room of my house is only 3 meters wide, and the sofa is not very sufficient, so I bought a wall-mounted LCD TV, 32 inches, and now it feels very good, and it is not uncomfortable to watch, and the distance is also meters.
When I was in school, there seemed to be such a formula.
Room space area (square meters), lighting wattage: 15 1860 80 watts, 30 40100 150 watts. >>>More
It depends on where you are, our 130 is about 13W, if you can do it yourself, you can save labor costs, and the material cost of 6W is also good.