When unsafe levels of gases are detected, signals alert personnel and active ventilation systems through the fire protection system.
当探测到非安全等级的气体出现，信号就会向工作人员发出警报，并对整个消防系统启动通风系统。
When unsafe levels of gases are detected, signals alert personnel and active ventilation systems through the fire protection system.
当探测到非安全等级的气体出现，信号就会向工作人员发出警报，并对整个消防系统启动通风系统。
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