提高了征服模式中敌方ai的经济
Improve the economy of the enemy ai in the conquest mode.

略微提高了不同难度下的AI经济水平；
适当提高了lmg的射程；
将ussr gaz67b的dp机枪替换为了sg43；
对步兵机动性的重新修改，尤其是减少步行与奔跑之间的差异.
Slightly improved the level of AI economy under different difficulty levels;
Appropriately increased the range of LMG;
Replace the USS GAZ67B DP machine gun with the SG43;
Revise the mobility of infantry, especially by reducing the difference between walking and running

****稳定版本

small fix

*对步兵机动性的重新修改
*Re modification of infantry mobility

**修复了反坦克炮默认用HE打击装甲车的问题
**Fixed the issue where anti tank guns default to using HE to strike armored vehicles

*map fix

delete a bad map