長江中下遊平原的每一塊平原都很小，都不足以養數萬兵馬，難以守住長江。淮河流域可養大兵團兵馬，這就是守江必守淮的來源

來源: 老生常談12 於 2025-01-05 09:21:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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