The air cycle machine consists of a_____ and a ______ mounted on a common shaft.
A.turbine wheel,compressor wheel B.compressor wheel,turbine wheel C.left pack,right pack D.right pack,left pack正确答案A
The air cycle machine consists of a_____ and a ______ mounted on a common shaft.
A.turbine wheel,compressor wheel B.compressor wheel,turbine wheel C.left pack,right pack D.right pack,left pack正确答案A