某企业拟建造如图所示的容器(不计厚度,长度单位:米),其中容器的中间为圆柱形,左右两端均为半球形,按照设计要求容器的体积为80pi/3立方米,且l≥2r.假设该容器的建造费用仅与其表面
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![某企业拟建造如图所示的容器(不计厚度,长度单位:米),其中容器的中间为圆柱形,左右两端均为半球形,按照设计要求容器的体积为80pi/3立方米,且l≥2r.假设该容器的建造费用仅与其表面](/uploads/image/z/13094039-47-9.jpg?t=%E6%9F%90%E4%BC%81%E4%B8%9A%E6%8B%9F%E5%BB%BA%E9%80%A0%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E7%9A%84%E5%AE%B9%E5%99%A8%EF%BC%88%E4%B8%8D%E8%AE%A1%E5%8E%9A%E5%BA%A6%2C%E9%95%BF%E5%BA%A6%E5%8D%95%E4%BD%8D%EF%BC%9A%E7%B1%B3%EF%BC%89%2C%E5%85%B6%E4%B8%AD%E5%AE%B9%E5%99%A8%E7%9A%84%E4%B8%AD%E9%97%B4%E4%B8%BA%E5%9C%86%E6%9F%B1%E5%BD%A2%2C%E5%B7%A6%E5%8F%B3%E4%B8%A4%E7%AB%AF%E5%9D%87%E4%B8%BA%E5%8D%8A%E7%90%83%E5%BD%A2%2C%E6%8C%89%E7%85%A7%E8%AE%BE%E8%AE%A1%E8%A6%81%E6%B1%82%E5%AE%B9%E5%99%A8%E7%9A%84%E4%BD%93%E7%A7%AF%E4%B8%BA80pi%2F3%E7%AB%8B%E6%96%B9%E7%B1%B3%2C%E4%B8%94l%E2%89%A52r%EF%BC%8E%E5%81%87%E8%AE%BE%E8%AF%A5%E5%AE%B9%E5%99%A8%E7%9A%84%E5%BB%BA%E9%80%A0%E8%B4%B9%E7%94%A8%E4%BB%85%E4%B8%8E%E5%85%B6%E8%A1%A8%E9%9D%A2)
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