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һڹ1977꣬ҪƷй絼ܡʽСP3CҵҪƷһڹΪȫҵתƵ½ƣԼͽͻչڴ½Ͷ賧Ĺ½ڡɽϾ˸ѸƵķ
ȫԱѴ30003CҵȫǰհԹ˾ĿǰһڹҵLEDɼ⼰ɼܵȫռѾһΪսܼޣϵͶзֲ²ƷΪ˿عг˲ţƸרҵ˽йʹ۵ľӪŶӣ춨ӪĻ
һڹѾӵкDzȨ50ϣֲֻ3CؼƷԼLEDҵܵȡͨѶӲҵĽ죬ҵӪ˿иһڹűʮҵҵľ߿Ƽչ¼սδΪͻ빫˾˫Ӯ
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