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As statistics show, 70%-80% of the traffic accidents which happened in superhighway are caused by tire blow-out. 據(jù)統(tǒng)計(jì)，在高速公路上發(fā)生的交通事故有70％-80％是由于爆胎引起的，怎樣防止爆胎已成為汽車安全的一個重要課題。