短語詞組短語Ballast Efficacy Factor 鎮(zhèn)流器效率值;安定器效率值Ballast Efficiency Factor 能效因數ballast power factor 鎮(zhèn)流器功率因數ballast -factor 鎮(zhèn)流器系數ballast lumen factor 安定器光流明因子;鎮(zhèn)流器流明系數;鎮(zhèn)流器的流明系數high power factor ballast [電]高功率因數鎮(zhèn)流器lumen factor of ballast 鎮(zhèn)流器的流明系數 返回 ballast factor