你就別在這裏人雲亦雲了，有個人說中國造不出圓珠筆頭，你就信以為真。中國在改開前很久，造這個東西的工藝就解決了

來源: 547788 於 2016-10-25 16:51:59 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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