这个标牌不认识,求科普。
昨晚散步路过新华路釜城路发现这个牌子,始终没弄明白,求科普http://tupian.0550qj.com/pic/20191019/1571446822229945_653.jpg?watermark/1/image/aHR0cDovL3R1cGlhbi4wNTUwcWouY29tL3BpYy8yMDE3MDkyNS9xaV9uaXVfMTUwNjMyMjAyOTQ1OV81NjdfNDIzXzMyLnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20
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