The L-100-20 was given plugs fore (5 feet/1.5m) and aft (3.3 feet/1m) of the wing.
L-100-20的前沿跳出（5英尺/1.5米）和机翼长加长（3.3英尺/1米）。
The groups with fore and hind wings both developed have no wing-coupling apparatus.
前后翅均发达，都是飞行器官的类群无连锁器。
The groups with fore and hind wings both developed have no wing-coupling apparatus.
前后翅均发达，都是飞行器官的类群无连锁器。
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