Three problems on the depression test of Yantan outlet are discussed.

本文结合岩滩泄水底孔减压试验，讨论了三个问题。

The Yantan Hydropower Station firstly adopted the vertical ship elevator with steel cable winding.

岩滩水电站是国内首次采用钢丝绳卷扬提升、部分平衡、船厢下水式垂直升船机。

Measured data show, that plastic pads not only satisfy reliable operation of machine in Yantan hydroelectric station, but also have definite potential.

测试数据说明塑料瓦不仅能满足岩滩电机的可靠运行而且还有一定的潜力。

Model acceptance test is applied to accept Yantan turbine performances. The model efficiency maximum is 92 percent in the completion of similar prototype.

岩滩水电站水轮机性能采用模型验收试验方式验收。其全模拟模型最高效率达到92%。

This paper introduced construction technique of the inverted vertical line survey system, boring, hole slope measuring, slope correcting, etc. of the Yantan hydropower station.

介绍岩滩水电站大坝倒垂线观测系统的倒垂线孔钻孔的孔斜控制、孔斜测量、孔斜纠偏等施工技术及廊道内遇长岩芯的处理方法。