Each GCU automatically _______ and de-energizes the respective IDG when the engine is started and ______ if the generator control switch is latched in.
A.energizes, open
B.open, energize
C.operating, trip
D.energizes, started
正确答案是D
Each GCU automatically _______ and de-energizes the respective IDG when the engine is started and ______ if the generator control switch is latched in.
A.energizes, open
B.open, energize
C.operating, trip
D.energizes, started
正确答案是D