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联想b480ab485b490e49B580风扇
联想B490 V480 E49 V580 M490 M495 K49 B580 B485 E4430风扇原装
联想B580B485E4430风扇
适用联想V480C V580C M495 E49 K49笔记本风扇E4430 B480/485/590