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楔体与拟柱体
2026-06-18
网络整理
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Key Point:楔体（Wedge）是立体几何中一种特殊的拟柱体，其下底面为梯形或平行四边形，上底面退化为与下底面的平行边平行的线段，可通过截面截取三棱柱形成。
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