目标散射截面积
Target scatter section area
流通截面积
flow section areas
Flow Area of the Catalyst
actual internal area
流动截面积
flow cross-sectional area
cross-sectional flow area
离子截面积检测器
cross-section ionization detector
进户线截面积
leads section of house service wire
截面积优化
sectional area optimization
高应力截面积
highly stressed cross-section area(HSCA
钢管混凝土截面积上限值
upper limit value of the area of steel tube confined concrete