双转轮水轮机
hydraulic turbine with twin runners
水斗式水轮机水电站
pelton turbine hydroelectric power station
水轮机水力设计
hydraulic design of water engine
水轮机水力稳定性
hydraulic stability of turbine
PCC(program-controlled computer)可编程计算机控制数字阀式水轮机调速器
program-controlled digital-valve turbine governor
步进式水轮机调速器
step_by_step turbine governor
超低比转数水轮机
Super-low specific speed Francis turbine
超低水头水轮机
ultra low-head hydraulic turbine