横剖面面积曲线
sectional area coefficient curve
prismatic curve
section area curve
实际横剖面面积
actual cross-section area
尾部横剖面面积曲线
curve of area of transverse section
最大横剖面面积
maximum transverse section area
等值剖面积
equivalent sectional area
最大横剖面系数
maximum section coefficient
横剖面高度
height of transverse section