Take HL220-LJ-200 hydraulic turbine at Buangzha water powers station in Congo as an example, the technique of Manual repairing turbine passage parts is introduced when the repair conditions at power station are poor.

• 以刚果布昂扎水电站HL－220－LJ－200水轮机为例，介绍了当水电站现场维修条件较差时，用手工修复水轮机过流部件的方法。