什么carbon pencil? pencil本身就是carbon的么!一般考试时候洋人会标明

来源: suvescape 于 2009-10-08 16:44:15 [旧帖] [给我悄悄话] 本文已被阅读：次

HB, 2HB.

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.