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每輛機動車輪胎在花紋深度1.6毫米處有磨耗標(biāo)記和小凸臺。小凸臺稱為“胎面磨耗標(biāo)記”，凸臺旁邊有“胎面磨耗標(biāo)記”的英文縮寫...
支撐車體、人員、行李等重量，主要利用輪胎內(nèi)的空氣量與壓力，支撐車體的重量與負重，因此保持適當(dāng)?shù)目諝鈨?nèi)壓十分的重要。...
