_______ also known as best angle-of-climb airspeed, gives the greatest gain in altitude for horizontal distance traveled during climb.
A.Va
B.Vlo
C.Vx
D.Vy
正确答案是C
_______ also known as best angle-of-climb airspeed, gives the greatest gain in altitude for horizontal distance traveled during climb.
A.Va
B.Vlo
C.Vx
D.Vy
正确答案是C