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A supporting surface of an airplane; an airfoil or a wing.
飞机的支撑表面；翼面或机翼。
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Sliding block with large supporting surface to hold high forces.
带有大支撑面的滑块可支持强压力。
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Sliding block with large supporting surface to hold high forces.
带有大支撑面的滑块可支持强压力。
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