China's first automatic four-color glass printer was invented by a worker technician.
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.
中国第一架自动化四色玻璃印花机是一位技术人员发明的。
China's first automatic four-color glass printer was invented by a worker-technician.
中国第一架自动化四色玻璃印花机是一位技术工人发明的。
China's first automatic four-color glass printer was invented by a worker-technician.
中国第一架自动化四色玻璃印花机是一位技术工人发明的。
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