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.

youdao

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.

youdao