audible emergency alarm的意思|示意

Fire emergency: in case of a fire, please call the hotel operator, the emergency alarm system will give out audible warning. If you have hearing.

火灾：在遇到火灾的时候，请打电话联系电话总机，紧急情况警铃会自动响起。

Does the facility maintain the appropriate amount of fire extinguishers that are accessible during an emergency? Is the facility equipped with a working audible fire/evacuation alarm?

车间内是否配备足够和合适的消防设施以备紧急使用? 是否有进行定期检验和保养? 请详细描述厂区内是否有紧急消防警铃? 消防警铃声和下班铃声是否一样? 请详细描述。