通过运行实践 ，本文对该水轮发电机组的推力轴承、水导轴承、主轴密封、转轮密封等主要结构进行了分析 ，仅供参考。
The article presents structural characteristics of upper guide bearing as well as structure and working principles of upper guide cooler of 700MW turbine generator at Longtan Hydropower Station.
通过运行实践 ，本文对该水轮发电机组的推力轴承、水导轴承、主轴密封、转轮密封等主要结构进行了分析 ，仅供参考。
The article presents structural characteristics of upper guide bearing as well as structure and working principles of upper guide cooler of 700MW turbine generator at Longtan Hydropower Station.
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