还是很不错的。有人听说过文革中的‘工业革命’ - “无切削加工”吗？

来源: chinomango 于 2014-07-29 11:33:55 [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.