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合理的润滑对降低工程机械的故障率、增强机械的使用可靠性、提高作业效率和经济效益具有重要作用。然而，理论上的润滑规程往往与实际操作存在较大的差异：有些用户死板地按照产品说明书的规范要求，严格遵照润滑图表实施润滑保养，完全不考虑机械的技术状况及其使用条件的变
Rational lubrication plays an important role in reducing the failure rate of construction machinery, enhancing the reliability of the use of machinery, and improving the work efficiency and economic benefits. However, the theoretical lubrication rules often differ greatly from the actual operation: some users rigidly follow the specification requirements of the product specification, strictly follow the lubrication chart to implement lubrication and maintenance, completely without considering the technical conditions of the machine and its changing conditions