The air cycle machine consists of a turbine wheel and a compressor wheel mounted on a ______ (共同的)shaft.
A.common; B.single; C.separate; D.;coaxial正确答案A
The air cycle machine consists of a turbine wheel and a compressor wheel mounted on a ______ (共同的)shaft.
A.common; B.single; C.separate; D.;coaxial正确答案A