deterministic hydraulic head boundary
high head hydraulic machinery test stand
High Head Hydraulic Model Test Stand
high_head hydraulic test stand
Hydraulic Head
水头
〔压力〕水头
压力水头
地下水位
水力高差
水落差
液压泵头
水压头
液压头
hydraulic head body screw
Hydraulic head pressure
hydraulic head pressure difference
hydraulic head structure
hydraulic head vent screw
inertial hydraulic head
lower water head hydraulic projects
Negative hydraulic head
ultra low-head hydraulic turbine
NC universal swivel head type milling machine