6439山炮和碉堡防守，敌军毛瑟98k步枪士兵和GrW-34 迫击炮士兵冲锋 Mountain cannons and

6439山炮和碉堡防守，敌军毛瑟98k步枪士兵和GrW-34 迫击炮士兵冲锋 Mountain cannons and bunkers defending, enemy soldiers with Mauser 98k rifles and GrW-34 mortar soldiers charging