The common sentry box in life is generally a public place with more people and vehicles at the entrance of the community, parking lot, and these places are usually not covered. In summer, because of the particularity of the sentry box, the indoor temperature will be particularly high, and the staff working in a high-temperature environment for a long time will inevitably have an impact on their work and even cause physical injury, Therefore, air conditioners are usually installed in sentry boxes ..
2020-04-11 nineteen thousand one hundred and seventy-three zero
