短語詞組短語availability improvement factor aif 可用度改進(jìn)因子equivalent availability factor 等傚可用系數(shù)heat availability factor 熱利用系數(shù);熱可用率availability factor of excavator 挖掘機(jī)時(shí)間利用系數(shù)service demand availability factor 需求可用系數(shù)equivalent availability factor eaf 等傚可用系數(shù)availability factor of vehicle 汽車完好率land availability factor 土地使用傚率availability factor of motor vehicle 汽車完好率 返回 availability factor