巷道示意图 1775512658815 http://39.106.203.141:8090/iserver/output/temp/%E5%B7%B7%E9%81%93%E7%A4%BA%E6%84%8F%E5%9B%BE_100x100/10645/0x1/334x446_106821077.png?_t=1775512658815 0 0 256 256 1441.764376019067 1620.5564311882438 2162.7644611959226 2341.5565163650995