应该是吧，或者用模子套在外面引导成型？

来源: 白芦于 2010-01-05 20:33:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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