１９４３年至１９４５年 ,抗日战争已从“相持阶段”转入“反攻阶段” ,但在西南各省却没有什么反攻的迹象。长沙失守后 ,日寇攻入广西直陷河池、南丹 ,攻入贵州的独山。从当时形势看 ,日军是为了实现“打通大陆交通线”的战略 ,一方面集结兵力沿平汉路向南推进 ;另方面在号称 From 1943 to 1945, the anti-Japanese war shifted from the “stalemate phase” to the “counter-offensive phase,” but there was no sign of any counter-offensive in the southwest provinces. After the fall of Changsha, the Japanese invaded Guangxi directly into Hechi and Nandan, and attacked Dushan in Guizhou. Judging from the situation at the time, the Japanese army was trying to realize the strategy of “getting through the mainland’s traffic line”. On the one hand, the Japanese army concentrated its troops along the Pingnan Road to the south. On the other hand,