单项选择题
A.Compressor discharge overheat switch 390FB.Ram air temperature sensor 230FC.Duct overheat switch 190FD.以上都是
A.Pack discharge duct overheat switch 250FB.Compressor discharge overheat switch 390FC.Turbine inlet overheat switch 210FD.Ram air temperature sensor 230F
A.7.35B.7.8C.8.35D.8.45