<div layer1="text-s"></div><div class="tz-paragraph">23款S60右侧排气管口里面有一个象节气门一样的阀片是起什么作用的？</div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g27/M07/A4/FF/userphotos/2023/06/04/22/500_CjIFVWR8mgmANXSZAAtdS41WwCc822.jpg" style="height:1080px;width:1920px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g27/M02/A4/FF/userphotos/2023/06/04/22/500_CjIFVWR8mgqARp2RAALhxr5zNxo061.jpg" style="height:699px;width:767px"  /></div><div layer1="img-e"></div><br />

尾喉里面的阀片