In _____ , the pitch angle cannot be changed.
A、controllablepitchpropeller
B、fixedpitchpropeller
C、variablepitchpropeller
D、propellershaft
发布时间:2024-09-25 15:15:55
A、controllablepitchpropeller
B、fixedpitchpropeller
C、variablepitchpropeller
D、propellershaft