是用普通鉛筆，我一般不換鉛筆，估計是5B。

來源: 漢至於 2014-09-23 18:17:21 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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是用普通鉛筆， 我一般不換鉛筆，估計是5B。