联想g50-70 70a 70m 80 30 45 外壳a壳b壳c壳d壳 z50-70 30 80 45

联想原装 g400s g410s g500s g505s z501 s410p s510p g40-70m g50-

联想g50 g40 z40 z50 e40 n40 b40/-45/-30/-70/-80/-70m