The green colour appraisal of the systematic resource attribute of the hydraulic pressure is a multi-level, muhifactor comprehensive appraisal question. The analytical method of the multistage fuzzy level was utilize to construct evaluation index system and model, to calculate the weight of all levels evaluation index, to calculate the subordinate degree index, to do the dimensionless treatment, to use the linear weighting method to calculate the green result, and to jud...
