The _______ is a vacuum-powered instrument which senses pitching and rolling movements about the airplane's lateral and longitudinal axes.
A.turn coordinator
B.attitude indicator
C.heading indicator
D.magnetic compass
正确答案是B
The _______ is a vacuum-powered instrument which senses pitching and rolling movements about the airplane's lateral and longitudinal axes.
A.turn coordinator
B.attitude indicator
C.heading indicator
D.magnetic compass
正确答案是B