包壳管横截面积
cladding tube cross-sectional area
标称截面积
nominal cross sectional area
垂直截面面积
Perpendicular cross section area
大有效截面积光纤
large effective area fiber
调频连续波雷达截面积量测系统
FMCW RCS measurement system
动态雷达散射截面积
dynamic radar cross section RCS
阀有效截面积
effective cross section area of valve
钢管混凝土截面积上限值
upper limit value of the area of steel tube confined concrete