<div layer1="text-s"></div><div class="tz-paragraph normal">如题，trip&nbsp;b的油耗怎么会清除掉。</div><div layer1="text-e"></div><br /><div layer1="text-s"></div><div class="tz-paragraph normal">我知道TRIP&nbsp;a长按可以清0，可是以前trip&nbsp;b长按无法清零</div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g6/M07/16/E2/userphotos/2017/02/22/06/500_wKjB0ViswNuAI194AAPN0EefQUo603.jpg" style="width:700px;height:525px"/><div layer2="desc-s"></div><div class="description">历史平均油耗就没有了</div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g5/M12/12/DA/userphotos/2017/02/22/06/500_wKjB0liswcKAKV4JAAPm1e7olgM560.jpg" style="width:700px;height:525px"/><div layer2="desc-s"></div><div class="description">还好总公里数还在</div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br />

平均油耗怎么没了？