<div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g2/M0A/F2/C0/userphotos/2020/11/29/13/500_ChwFql_DLDyAA3TeAAcVjdL3SMA635.jpg" style="height:1656px;width:1242px"  /><div layer2="desc-s"></div><div class="description">换蜗牛喇叭要装继电器，一头接在电瓶正极。各位老铁给看看红圈内是正极么？<img src="https://z.autoimg.cn/creator/packages/emoji/smiley/13.gif" class="spic" /><img src="https://z.autoimg.cn/creator/packages/emoji/smiley/18.gif" class="spic" /></div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br />

电瓶正极是哪边？