联想Y470 v470 G470 B470 E47A E47G 笔记本CPU I3 I5 2代CPU升级

适用联想 flex14 g410i5-4200m v470 B40-70 SR1000 g410s钢化玻璃贴膜/磨砂防反光防指纹防爆蓝光护眼膜