equivalent coefficient of friction 当量摩擦系数 ; 当量磨擦系数

conversion coefficient of equivalent 当量折算系数

performance coefficient of equivalent fuel 当量燃料性能系数

coefficient of equivalent calculation length 等效计算长度系数

coefficient of equivalent procedure capability 当量工序能力系数

equivalent coefficient of local resistance 当量局部阻力系数

coefficient of the equivalent stiffness 折算刚度系数

equivalent coefficient of rock 岩石等效系数

coefficient of the equivalent kilometer 当量公里系数