win10/lenovo thinkpad e550/corei5 2.

thinkpad e550(20dfa009cd)

联想(thinkpad)e550 20dfa008cd 15寸笔记本电脑【i5-5200u 4gb 500g

联想thinkpad e550 笔记本电脑优e540

thinkpade55020dfa086cd促销3950元