a duplicator (trade mark Xerox) that copies graphic matter by the action of light on an electrically charged photoconductive insulating surface in which the latent image is developed with a resinous powder
双语例句
There's some paper stuck in the machine. 复印机卡纸了。
Please help me to ink the roller of the duplicating machine. 请帮我给复印机的油墨轮上点油墨。