水电机组运行可靠性整体水平低于1999年，水电机组等效可用系数为90.30%。

While the operational reliability of hydropower units was lower than 1999, with an equivalent availability of 90.30%.

youdao

水电机组运行可靠性整体水平低于1999年，水电机组等效可用系数为90.30%。

While the operational reliability of hydropower units was lower than 1999, with an equivalent availability of 90.30%.

youdao