名词
中文翻译：双楔形物
同义词：
['double-edged', 'double-edged weapon']
例句：
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1. Thedouble-wedge design is a classic example of symmetry and balance.
双楔形设计是对称和平衡的经典例子。
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2.The double-wedge shape helps to distribute weight evenly across the surface.
双楔形形状有助于均匀地将重量分布在表面。
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3.The double-wedge design is often used in furniture to provide extra support and stability.
双楔形设计通常用于家具中，以提供额外的支撑和稳定性。