power-supply efficiency

例句：

1. 1.The new power plant has significantly improved the power-supply efficiency of the area.
   新电厂的投入使用显著提高了该地区的电力供应效率。
2. 2. To increase power-supply efficiency, we need to optimize our energy consumption.
   为了提高电力供应效率，我们需要优化我们的能源消耗。
3. 3. The efficiency of the power-supply system is directly related to the economic growth of the country.
   电力供应系统的效率与国家的经济增长直接相关。