A.地速增大，收油門下滑和四轉(zhuǎn)彎時(shí)機(jī)均應(yīng)適當(dāng)提前
B.地速減小，收油門下滑和四轉(zhuǎn)彎時(shí)機(jī)均應(yīng)適當(dāng)延后
C.地速增大，收油門下滑和四轉(zhuǎn)彎時(shí)機(jī)均應(yīng)適當(dāng)延后

A.升力系數(shù)下降，飛機(jī)要下沉，應(yīng)適當(dāng)?shù)乩瓧U
B.升力系數(shù)增大，飛機(jī)要上升，應(yīng)適當(dāng)?shù)赝茥U
C.對(duì)飛機(jī)幾乎沒有影響