和圆珠笔笔尖圆珠一样，市场太小。中国被自媒体小作文刺激了一下，花几年做出来，把世界上其它几家挤垮拉

来源: 奔流12959 于 2025-10-18 13:13:49 [旧帖] [给我悄悄话] 本文已被阅读：次

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