2019~2020年 苹果MAC A2251 A2159 EM3348 触摸板进水触控板不灵敏不动更换维修拆解教程视频Macbook Pro Retina 13″ A2251 Touch Pad Replacement EMC 3348
联想Lenovo ideapad B50-70 B40-30 B40-45 B40-70 B50-30 B50-30A B51-30散热风扇DC28000END0,KSB05105HCA02 DC5V 0.45A cooling fan
DC28000BZD0 DC28000EMS0 联想Lenovo Ideapad S405 S415 S435 S436 S310 S410 S300 S400 S400U笔记本内置散热风扇 cooling fan