我下午时也不确定,晚上恶补了一下。 为什么要同情老板娘?自己DIY补怎样都行,我去车行就应该按行业标准啊。美国交通 部明明白白地规定着: A plug by itself is not an acceptable repair. The proper repair of a punctured tire requires a plug for the hole and a patch for the area inside the tire that surrounds the puncture hole.