The fire detection systems monitor airplane components for overheat, fire or smoke condition.The above sentence means "防火系统用于监控飞机部件的过热，火警和烟雾状况。"
A.1
正确答案是A
The fire detection systems monitor airplane components for overheat, fire or smoke condition.The above sentence means "防火系统用于监控飞机部件的过热，火警和烟雾状况。"
A.1
正确答案是A