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单选题
WITH THE TRANSFORMER RECTIFIER 2 (TR 2) LOST:
A
DC Essential BUSES are supplied by the Essential TR, the remainder of the DC network is supplied by TR 1.
B
DC BUS 2 is lost, the remainder of the DC network is supplied by TR 1.
C
The BAT BUS is supplied by the batteries, Essential BUSES are supplied by Essential TR, the remainder of the DC network is supplied by TR 1.
答案解析
正确答案：A
