string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%9B%BD%E4%B8%BB%E8%A6%81%E6%B5%B7%E5%B3%A1%E6%9C%89%E5%93%AA%E4%BA%9B => Received HTTP code 403 from proxy after CONNECT"
中国主要海峡有哪些
