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技術突破:中國實現圓珠筆生產國產化
Wednesday, January 11, 2017 3:54
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此事在中國官方媒體引起極大關注:中國企業首次自主完成了圓珠筆的生產,即不需要外國技術援助,也不需要進口部件。這條新聞確實不容小覷,因為它足以說明,中國機械已經有了相當高的精密度。對使用者來說,這只是…

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