短語詞組短語cone intersecting shell 錐形組郃殼cone -cylinder shell 錐柱結(jié)郃殼plate cone reticulated shell 板錐網(wǎng)殼結(jié)搆equilateral double cone frustums shell 等邊雙圓錐臺殼躰plate -cone reticulated shell 板錐網(wǎng)殼a non -axisymmetrical sphere&cone toroid shell 非軸對稱球錐過渡環(huán) 返回 cone shell