中国第一架自动化四色玻璃印花机是一位工人技术员发明的。

China's first automatic four-color glass printer was invented by a worker technician.

youdao

中国第一架自动化四色玻璃印花机是一位工人技术员发明的。

China's first automatic four-color glass printer was invented by a worker technician.

youdao