<p>求由曲线<img src="https://file.gaojiufeng.cn/learnAppQuestion/b0/83/b0835ce50179281f06705ee32e2bd94f.jpg" style="width: 100%;height: auto;">及直线<img src="https://file.gaojiufeng.cn/learnAppQuestion/7f/a9/7fa9a0aa86f4855e1fd60610e3e353d9.jpg" style="width: 100%;height: auto;">与<img src="https://file.gaojiufeng.cn/learnAppQuestion/d3/54/d354872cb22ab4eb40927a1cd2557864.jpg" style="width: 100%;height: auto;">所围成的平面图形绕<img src="https://file.gaojiufeng.cn/learnAppQuestion/f6/7f/f67fe83c11ede38bc3afc8db67715c71.jpg" style="width: 100%;height: auto;">轴旋转一周而成的旋转体的体积.</p>