但這一設想，則遭到德國工程師協會（VDI）的反對

來源: zj7776 於 2010-08-04 00:38:03 [舊帖] [給我悄悄話] 本文已被閱讀：次

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