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单选题
用于感应和指示过热、烟雾或火灾情况的检测系统，如果被制造商指定为标准设备配置，则是消防系统的一部分。
A
Detection is that portion of the fire protection system which is used to sense and indicate the presence of overheat, smoke, or fire, if furnished as manufacturer-designated standard equipment.
B
If specified as standard equipment by the manufacturer, such equipment is that portion of the fire protection system. Detection equipment includes systems for transmitting and indicating conditions of overheating, smoke or fire.
C
If the equipment is part of a fire protection system and is designated as standard equipment by the manufacturer, the detection equipment includes the sensing and indication of overheat, smoke or fire.
答案解析
正确答案：A
相关知识点：
检测系统属消防，依厂标配置
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