单项选择题
A.OIL PRESSURE/TEMPREATRUE/FF B.VIB/N1/N2/EGT C.N1/EGT/N2/FF D.VIB/N1/N2/FF
A.EIU B.ECU C.EVMU D.A+B+C
A.防止压气机喘震 B.提供发动机引气 C.提供发动机冷却气 D.A+C