Major DC system components include main battery, _______(充电器),

Major DC system components include main battery, _______(充电器), 2 _______(变压器整流器装置) and static inverter located in the main equipment center and forward equipment area.

A.battery charger,TRU;

B.power panel,TRU;

C.GCU, TRU;

D.EPC, TRU;

正确答案是A