Bulb turbine and generator unit
bulb turbine generating
Bulb turbine generator unit
bulb turbine generator units
bulb turbine hydropower station
Bulb Tubular Turbine
灯泡贯流机
灯泡贯流式水轮机
贯流式机组
贯流式水轮机
灯泡贯流式
灯泡贯流式水轮发电机
bulb tubular turbine generating units
bulb tubular turbine generator
bulb tubular type turbine
bulb type turbine generator
double-acting light bulb tubular turbine and water pump set
hydropower station equipped with bulb type turbine