基本上ply數越大毛線越粗，羊毛衣就越厚越暖和，春秋天穿ply數小的，冬天冷就穿ply數大的^ ^

來源: 貓狗大戰於 2020-02-09 11:54:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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