APU火警探测使用的供电汇流条是:
A..MAU1(DC ESS BUS1)和MAU2(DC ESS BUS2)
B..MAU1(DC ESS BUS1)和MAU3(DC ESS BUS2)
C.MAU1(DC ESS BUS1)和MAU3(DC ESS BUS3)
D.. MAU1(DC ESS BUS1)和MAU2(DC ESS BUS3)
正确答案是B