• 2022-07-26
    曲线 , ,所围成的图形绕轴旋转所得旋转体体积.53daf06733838f480694fc1f0754cf56.pngd4d8200757da35a76eb37e41c6e42a10.pngd3eece12a97ed9340cef7808121bf405.pngb3048d8c2bbe74ff01f7d3c8915bfdef.png09d1ed7550eef37a3a4cd3b737629cda.png