semi-automatic hydro-electric station 半自动化水电站

hydro - automatic gate 水力自动闸门

automatic start-stop of hydro-set [电] 水力机组自动启停

hydro-automatic 水力自控

hydro automatic flap gate 水力自控翻板门

Toyota A42DL hydro automatic transmission 丰田A42DL液力自动变速器

automatic control of hydro-generating unit 机组自动控制

hydro-automatic gate against hydraulic pressure 液压翻板闸门