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分析了护管式清水润滑导轴承的结构原理，并与传统水润滑轴承进行了比较，介绍了护管式清水润滑导轴承在大型立式水泵中替代油轴承的应用情况，并指出水润滑轴承用于大型立式水泵时应注意的问题。
The structure and principle of the guide tube with clean water lubricating guide was analyzed and compared with the traditional water lubricated bearings. The application of the guide tube with clean water lubricating guide instead of the oil bearing in the large vertical water pump was introduced. It was also pointed out that the water lubricated bearing For large vertical pump should pay attention to the problem.