摘要
用数学分析的方法，对卧式容器的主要部件筒体、封头（包括椭圆封头、碟形封头）的总容器及在任意液位高度下的容积进行了分析，并给出了计算公式。
The total volume of the horizontal tank, including the cylinder and several type of heads, was calculated by use of the mathematical approaches in this article. Further, the volumes with any liquid height were also calculated.
