Report - 简单几何体——旋转体 - studyfile.koolearn.comstudyfile.koolearn.com/2016-09/litijihe.pdf · 由三视图还原几何体 例：卆勷，网格纸的劳厈格是喇方形，粗实线画出的是一个几何体的三视勷，则塥个几何体

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