适用正新内胎2.50/2.75-17 3.50/3.75/4.00/4.50/5.0 110/90-16正新内胎(直嘴)视频介绍_适用正新内胎2.50/2.75-17 3.50/3.75/4.00/4.50/5.0 110/90-16正新内胎(直嘴)功能演示视频-苏宁易购