但这一设想，则遭到德国工程师协会（VDI）的反对

来源: zj7776 于 2010-08-04 00:38:03 [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.