[U指數]失壓續跑胎調查

或稱防爆輪胎,是車輛輪胎的一種,這種輪胎強化了胎壁,在喪失原有胎壓之後,仍可讓安裝此種輪胎的車輛繼續以一定速度內(通常在時速80公里以下)行駛數十公里至一兩百公里,而讓駕駛人找到可修理或更換輪胎的店家。
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