英文翻译
Mechanical flap
重点词汇
机械瓣───Mechanical flap
双语使用场景
mechanical component with two rings pivoted on axes at right angles to each other allowing movement in two directions used in the flap extension and retraction system.───襟翼的伸出和收上系统内的具有两个圆环的机械部件。两个圆环的旋转轴相互垂直，以使部件在两个方向都能转动。
Called the Oyster, it's a very large mechanical flap resting on the sea bottom.───这种叫做牡蛎的设备是一种躺在海底的巨大机械瓣。
英语使用场景
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