问:车辆上高速公路行车前应注意做哪些检查? 答:车辆在一般道路出车前的检查项目已不能满足高速公路行车的要求。因此车辆在上高速公路行车前,应特别注意以下几个方面的检查: 检查轮胎 用轮胎气压表检查气压是否符合标准;胎面磨损是否露出标记;胎面、胎侧和胎肩是 Q: What should be paid attention to before checking the vehicles on the expressway? A: The inspection items of the vehicles on the ordinary roads can no longer meet the requirements of expressway driving. Therefore, vehicles on the highway before driving, should pay special attention to the following aspects of the inspection: Check the tire pressure gauge to check whether the air pressure is standard; tread wear is exposed mark; tread, sidewall and shoulder is