1. hydro power station：Insulator 绝缘子 | hydro power station 水力发电站 | lightning arrester 避雷器
2. hydroelectric power plant：hydroelectric power 水力发电 | hydroelectric power plant 水力发电站 | hydroexpansivity 吸湿膨胀性能
3. hydroelectric generating station：流体动力学 hydrodynamics | 水力发电站 hydroelectric generating station | 水力发电机 hydroelectric generator
4. hydro-electric power station：hybrid coding 混合编码 | hydro-electric power station 水力发电站 | hydrogeological condition 水文地质条件