Sustained Inverted Flight 倒飞水平圆
Sustained Backward Inverted Flight 倒飞后退水平圆
inverted flight tank [航] 倒飞油箱
inverted flight fuel tank 倒飞油箱
extended inverted flight 长时间倒飞
inverted flight equipment 负过载油箱
To the level of a pilot capable of performing the beyond the basics of Inverted Flight.
第四级属于高级程度，使操控者有能力执行基础的倒飞动作。
All aerobatic figures start and end from horizontal lines in either upright or inverted flight.
所有的特技飞行动作无论是正飞还是倒飞都由水平方向开始和结束。
You push forward and fly the second half of an outside loop till you are in horizontal inverted flight.
你先向前飞，在后半部分做一个外侧筋斗，直到你进入水平倒飞。
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