阿富汗电报的经济可行性分析
\u5E02\u573A\u73B0\u72B6\u7EB8\u98DE\u673A\u4E2D\u6587\u7FFB\u8BD1\u98DE\u673A\u4E2D\u6587\u5B57\u4F53\u000D\u000A\u6295\u8D44\u673A\u4F1A\u98DE\u673A\u4E2D\u6587\u5B57\u4F53\u7EB8\u98DE\u673A\u7F51\u9875\u7248\u000D\u000A\u6311\u6218\u4E0E\u98CE\u9669