1·You can quickly roll off some extra copies of the exercise on the duplicating machine .
你可以在复印机上很快地复印出附加的几份练习。
2·Duplicating machine with Copy Stop function can realize the function using code of Copy Stop.
具有拷贝防止功能的复印机，可采用拷贝禁止代码方式实现该功能。
3·We have modern office facilities, including computers, graphic plotter, scanning instrument, printer, duplicating machine, facsimile apparatus etc.
我公司拥有计算机、绘图仪、扫描仪、打印机、复印机、传真机等现代办公设备。
4·You can quickly roll off some extra copies of the exercise on the duplicating machine.
你可以在复印机上很快地复印出附加的几份练习。
5·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。