6407山炮和冲锋枪士兵防守，敌军MP40冲锋枪瘦子士兵和GrW-34 迫击炮士兵冲锋 Mountain cannon

6407山炮和冲锋枪士兵防守，敌军MP40冲锋枪瘦子士兵和GrW-34 迫击炮士兵冲锋 Mountain cannon and submachine gun soldiers defend, while enemy MP40 submachine gun skinny soldiers and GrW-34 mortar soldiers charge