6626山炮和直升飞机防守，敌军自行火炮战车和GrW-34 迫击炮士兵冲锋 Mountain cannons and h

6626山炮和直升飞机防守，敌军自行火炮战车和GrW-34 迫击炮士兵冲锋 Mountain cannons and helicopters defending, enemy self-propelled artillery vehicles and GrW-34 mortar soldiers charging