呵呵, 中国近年来的进展变化就是人口撑起来的. 美国的城市道路桥梁正在破败中
所有跟帖:
• 美国有十四亿人口? 想想也可怕. -keypointis- ♂ (0 bytes) () 05/08/2012 postreply 15:26:28
• 美国有十四亿人口? 想想也可怕. -keypointis- ♂ (0 bytes) () 05/08/2012 postreply 15:26:28
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