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曾經冤枉了一次性木筷🥢
一棵被採伐下來的樹,樹幹部分切割成這樣的各部分,中間用作柱子,柱子向外一圈長方形用作地板,地板木四角是垂木(用作木結構房屋的骨架)…最邊角的切剩下下來的部分用做一次性木筷,可以說是廢材利用。 twitter.com/heqimao/status/151

t.me/private_channel_c14370a/4

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