add 3 new veh (ger) models

some bug fix

The firing wind-up for high-tier tank guns has been extended, reducing instances where high-tier tanks fire before their barrels are fully aligned with the target unit.

延长了高级坦克炮的射击前摇,减少高级坦克的炮管在完全对准目标单位前就开火的现象.

Fixed an issue where missing data in the MO4 submarine caused the game to crash;
appropriately increased the shooting accuracy of infantry under the player's direct control;
Modified the 45mm_20k gun on the MO4 submarine;
Added the missing "flamethrower" text for the captured T-34-85.

修复了mo4潜艇缺失部分数据导致的游戏崩溃问题;
适当提高了玩家直接控制下的步兵的射击精度;
对mo4潜艇的45mm_21k火炮进行了修改;
添加缺失的T3485(德缴)的“喷火”字符.

Let the British Army's Firefly medium tank use the target selector of a heavy tank.
让英军的萤火虫中型坦克使用重型坦克的目标选择器.