却无法越过现在蒙古国南部的这片戈壁，对乌兰巴托的守军进行有效的补给和增援。当时的蒙古国，颇似后世的藏南，能攻下不能守卫

来源: thore 于 2025-11-09 13:29:49 [旧帖] [给我悄悄话] 本文已被阅读：次

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