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。
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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