进户线截面积
leads section of house service wire
前体水线面面积系数
forebody waterplane coefficient
水翼小水线面面积船
hydrofoil small waterplane area ship
垂直截面面积
Perpendicular cross section area
计算截面面积
calculated cross-sectional area
剪力墙截面面积
shear-wall cross-sectional area