过流面积特性
Flow area characteristics
有效过流面积率
effective transflux area rate
过流过压
excess current or excess voltage
过流过压保护
over-current and over-voltage protection
over-voltage and over-current protection
过流过压保护模块
Overcurrent and Overvoltage Protection Module
砼过流面
Concrete overflow surface
变动产流面积
variable contributing area