起重机运行缺陷的修理方法等。
维修和上报设备运行缺陷，不寻常的运行情况和安全隐患。
To correct and report operation deficiency, unusual events and safety hazards conditions to engineer.
南桠河和耿达水电站机组主轴密封改造为螺旋动力泵式主轴密封后，解决了多年存在的运行缺陷。
After unit shaft sealing was reformed into spiral dynamic pump sealing in Nanyaheand Gengda hydropower stations, operation defect which existed for many years is disappeared.
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