也需要很多力學結構的設計的。尤其造橋，造大樓怎麽可能不需要這些知識？

來源: yzhl888 於 2024-05-05 15:30:50 [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.