The potential for hydroelectricity is well nigh exhausted.

水电的潜力已接近用尽。

Large content hydroelectricity set should use AC-AC frequency converter.

大容量水电机组宜采用交-交变频器。

The nation's largest energy storage option right now is pumped hydroelectricity.

目前，全国最大的能源存储选择是泵送水电。

They also have massive projects such as hydroelectricity power plants going on.

他们也有大规模的项目，如水电发电厂事情。

Already the declining rainfall is producing serious problems for hydroelectricity.

降雨量降低已经导致水电的严重问题。