是用普通铅笔，我一般不换铅笔，估计是5B。

来源: 汉至于 2014-09-23 18:17:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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是用普通铅笔， 我一般不换铅笔，估计是5B。