从液压挖掘机操作的主观评价概念和方法入手,讨论了主观评价要素及其影响因素,比较了与客观评价的区别,介绍了挖掘机操作性主观评价方法在挖掘机装车、平整操作中的应用,阐述主观评价的合理性及必要性。 Starting with the concept and method of subjective evaluation of hydraulic excavator operation, the subjective evaluation factors and their influencing factors were discussed. The differences between subjective evaluation and objective evaluation were discussed. The subjective evaluation methods of excavators in excavator loading and smoothing operation were introduced Application, expounds the rationality and necessity of subjective evaluation.