brake utilization adhesion coefficient利用附着系数

utilization adhesion coefficient利用附着系数

water-utilization efficacy coefficient用水功效系数

photosynthetic energy utilization efficiency coefficient光合能量利用效率系数

helicopter power utilization coefficient直升机功率传递系数

utilization coefficient of strokes行程次数利用系数

air utilization coefficient空气利用率

fuel utilization coefficient燃料利用系数

field water utilization coefficient田间水利用系数