现在，原材料价格处于低谷，好钢也不是太贵。

来源: 宇之道于 2016-12-10 08:08:57 [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.