fire alarm control system can be divided into regional... https://www.vedardsecurity.com/fire-alarm-system-types-ezp-25 According to the requirements of the code, the fire alarm control system can be divided into regional alarm system, centralized alarm system and control center alarm system. vedardalarm | | 0 | 147 | 0
alarm linkage control of smoke control system https://www.vedardsecurity.com/fire-alarm-linkage-smoke-exhaust-ezp-21 According to the different parts of the setting, the mechanical pressurized air supply system can be divided into the mechanical pressurized air supply system in the stairwell and front room, the... vedardalarm | | 0 | 188 | 0
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