無知無畏。1949年東北工業占全國的85％，除了上海，江南9省大工業極少。石油煤炭鋼鐵木材製造業等幾乎都在北方

來源: 老生常談12 於 2025-09-15 21:39:27 [博客] [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.