How much does it cost to smoke 600 square meters and spray fire control facilities?

According to the regulations, the protection range of each smoke detector is about140m2. If only one room is needed, that is, five detectors (each room 1), only one manual alarm button is needed for each entrance and exit, and the sound and light alarm 1. A person living in Kyrgyzstan costs about 2000-3000 yuan, and the total cost is 5000-6000 yuan.

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