单轨轨道梁高0.85m,轨宽1.5m。()
参考答案:错
The medium believes the price of petrol will rise by more than two percent.
A.other
B.another
C.any other
D.the other
当飞行扰流板用于速度刹车后()
A.仍然可以和副翼随动
B.不能和副翼随动
C.不能被驾驶盘操纵
D.只能由脚蹬操纵