双面文件 meaning in Chinese

double sided document

Duplex automatic document feeder document centre 1100
双面文件自动送入装置
Large content by - pass paper trays - the design of 100 - page bypass paper trays eliminates the waste of time and labor of single - sheet manual feeding , when there is a need to copy a large number of double - face files . all - purpose paper tray
大容量旁路纸盘容量为100页的旁路纸盘设计，在需要大量复印双面文件时，可免除单张手动送纸带来得时间和人力上的浪费。