谁知道上海的桥有什么特点?????????(急)在线等
在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!在线等!!!!!!!!!!!!!!
参考答案:具体什么桥呢