RE: RE: Visiting A Pencil Manufacturing Factory / 参观铅笔工厂
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RE: Visiting A Pencil Manufacturing Factory / 参观铅笔工厂

RE: Visiting A Pencil Manufacturing Factory / 参观铅笔工厂

29
6 years ago
in
#dlive

铅笔用了很多年了，没想到铅笔竟然是这样生产出来的，确实又涨知识了

dlive
6 years ago
yigujin29
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