公式是圆柱的体积=底面积×高 v=sh也就是底面积乘高，因为圆柱的高等于长方体的高、圆柱的底面积等于长方体的底面积。(The formula is the volume of the cylinder = the bottom area x high V = sh is the bottom area multiplied, because the cylinder is taller than the box height, th