高峰小时客流断面流量
peak hour cross-section passenger flow
纵断面线形
longitudinal section alignment
vertical alignment
Darcy-Weisbach断面流速公式
Darcy-Weisbach formula of velocity profile
测流断面
flow cross section measurement
metering section
潮流断面
power flow at the cross-section of transmission lines
load section
power flow section
断面流量
the sectional flow capacity
cross-sectional discharge
间断流线扩散法
discontinuous_streamline diffusion method