她打电话给我要介绍给我一个正在为她修理会计机器的小伙子。
Mainly applies in the print circuit wafer, is electronics industries and so on the electronic accounting machine as well as communication equipment the essential foundation material.主要应用于印制电路板,是电子计算机以及通讯设备等电子工业中不可缺少的基础材料。