The landing weight of a B737 is 50 tons. When it is making circling holding at a 30° slope, its wing lift is _______ tons.
A.50
B.100
C.57
D.65
正确答案是B
The landing weight of a B737 is 50 tons. When it is making circling holding at a 30° slope, its wing lift is _______ tons.
A.50
B.100
C.57
D.65
正确答案是B