1·Small hydroelectric power is one of the important sources in our country.
小水电是我国的重要能源之一。
2·The other noticeable difference on the drive along the small river this time as compared to last was the number of hydroelectric power stations along the way.
和上次的沿河旅行相比，这回我又发现了另外一个变化，那就是水电站增加了不少。
3·It is urgent to renew the control equipment of hydroelectric power stations of medium and small scale due to their poor performance in the quality and the efficiency at present.
鉴于目前中小型水电站控制质量差，运行效率低下等现状，大量的小型水电站控制设备老化，急需更新换代。
4·The thrust bearing of Geheyan hydroelectric power station is supported by many small springs, babbitt thrust pads.
隔河岩水电站推力轴承为小弹簧多点支撑结构，钨金瓦面。
5·Now, while this is possible (hydroelectric power companies do it all the time), in a small scale system for a single home the control problems can be very difficult.
现在，虽然这是可能的(水电电力公司这样做的所有时间)在一个小规模的系统，一个家庭的控制问题可是非常困难的。