?????磺 ??400x75mm????? CREE/OSRAM/LUMIUSLED????? ???????LED????(H)?? ??50000??????(W)?? 12/21/10???(V) AC85-265V????HZ?? 50-60???(K)?? 2700-6500????????(PF)?? ??0.9??????(Ra)?? 80??????(??): ??120????????? ??????????? ?????+????PC???????? ??????????????????LED????????? ???????? ???????????? ?????????????????棩?? -25-50?????????????棩?? 30%-60%