名词
中文翻译：Unknown
同义词：
['elevator', 'elevator blade', 'elevator surface']
例句：
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1. The plane's evolute is designed to increase lift efficiency.
飞机的展开翼面设计用来提高升力效率。
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2.The elevator blades on the airplane are made of lightweight aluminum alloy.
飞机上的升降翼面是由轻质铝合金制成的。
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3. The elevator surface is where the plane's wings meet in the middle.
升降翼面是飞机机翼在中间相遇的地方。