单项选择题
A.50%B.60%C.70%D.80%
A.APU speed sensorB.APU exhaust gas temperature (EGT)thermocoupleC.APU fuel sensorsD.APU inlet sensor module
A.APU speed sensorB.APU exhaust gas temperature (EGT)thermocoupleC.APU fuel sensorsD.APU inlet sensor module.