Provide regular maintenance and service for the central processing unit, the printer, the display, the mouse, and the keyboard. Deal with the usual troubles in the computer system.
定期清理保养系统主机、打印机、显示器、鼠标、键盘，并处理系统常见故障。
The main unit is composed of a SCM, a printer, a display and a panel keyboard, the SCM is respectively connected with the printer, the display and the panel keyboard.
所述的主 机由单片机、打印机、显示器和面板键盘组成，单片机分别与打印机、显示器和 面板键盘连接。
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