• <legend id="rkeln"><li id="rkeln"><del id="rkeln"></del></li></legend>
  • <acronym id="rkeln"></acronym>

    <optgroup id="rkeln"></optgroup>

    Damage to rubber valve after aging

    2018-12-24 323

    Because the tire valve is formed by the end of the matter, because a small thing lost more than a small valve!


    Because the valve is an aging problem that cannot be prevented by the rubber material, the valve collar will gradually crack, deform and lose its elasticity. When the vehicle is moving, the rubber valve will also be shaken back and forth with the centrifugal force.


    Recommended news
    变态挤奶水AV大片_亚洲AV永久无码精品无码流畅_猫咪MAOMIAV永久入口_第1页