叙述了瑞士几家水电开发工程的业主正在扩大其电站设施，以充分利用本国的水力资源多发电和调整季节性的出力，减少对国外进口电力的依赖。 Described the owners of several hydropower development projects in Switzerland are expanding their power station facilities to make full use of their own water resources to generate electricity and adjust the seasonal output to reduce reliance on imported electricity abroad.