installation elevation of hydraulic turbine

例句：

1. 1. The engineers are installing the newsystem in the factory.
   工程师们正在工厂安装新的系统。
2. 2. The installation of this devicerequires a power source.
   这个设备的安装需要电源供应。
3. 3. The installation of the new softwarewas completed successfully.
   新软件的安装成功完成。
4. 1. Themountain's elevation is 2,500 meters above sea level.
   这座山的高度是海平面以上2500米。
5. 2. The astronaut's elevation to the International Space Station wasannounced yesterday.
   宇航员升至国际空间站的消息昨天宣布。
6. 3. The elevation of the river hasbeen reduced due to the construction of thedam.
   由于大坝的建设，河流的水位已降低。