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单选题
那些固定式和便携式的装置和部件探测和指示火灾或烟雾，并储存和分配灭火剂到飞机所有受保护的区域。
A
Those fixed and portable units and components detect and indicate fire or smoke, and store and distribute fire extinguishing agent to all protected areas of the aircraft.
B
Those stationary and portable devices and components find and show fire or smoke, and store and release fire extinguishing agent to all aircraft protected areas.
C
Those fixed and portable units and assemblies monitor and warn fire or smoke, and then reserve and distribute extinguishant to all protected areas of the aircraft.
答案解析
正确答案：A
相关知识点：
装置部件探测指示火灾烟雾
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