万能打印机程度的分析与设计
Analysis and design of omnipotent print program
万能打印机的喷头由很多细小的喷嘴组成，喷墨孔与灰尘颗粒差不多。
Universal printer nozzle from many small nozzles composed of dust particles and inkjet hole almost .
万能打印机万能打印机万能打印机