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联想B475A(A6-3420/2GB/320GB)联想 IdeaPad B470
联想B475A(A6-3420/2GB/320GB)联想 扬天B470G-ITH
联想B475A(A6-3420/2GB/320GB)联想 扬天B470G-ITH
联想B475A(A6-3420/2GB/320GB)联想 扬天B470G-ITH
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