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如图所示啤酒瓶,下部是圆柱, 但瓶颈部分却不是简单几何体(似圆台而非圆台)。给你一把刻度尺和一
As shown in the beer bottle, the lower part is a cylinder, but the bottleneck part is not a simple geometry (like a circular table rather than a circular table). Give you a scale and a