reserve factor of mine reserves 储量备用系数
clutch torque reserve factor [车辆] 离合器扭矩储备系数
power reserve factor 动力储备系数
reserve capacity factor 备用容量系数
factor r of reserve 储备系数
reserve production equilibrium factor 储采平衡系数
safety factor of strength reserve 强度储备安全系数
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