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Whiff blow sleigh
喷气吹雪车
由航空喷气发动机装在载重汽车上构成。吹雪主喷管由前、后两段喷管组成。前段喷管下部插入后段喷管上部,两段喷管的环形间距构成一个气流引道。前段喷管下端通过两个对称的支架固定在车体上。后段喷管上端通过两个转轴铰接在支架上,下端通过调整机构与车体相连。后段喷管相对转轴有一个转动轴心。通过调整机构改变喷口与地面夹角,提高了不同气候下吹除冰雪效果,气流引道引入冷空气降低喷气温度,保护了机场跑道。