嗬嗬,那這麽說是氣象因素了?
所有跟帖:
• 沒有汙染源,霾從天而來嗎 -布衣之才- ♂ (0 bytes) () 10/06/2013 postreply 21:27:36
• 汙染源如果在北京,那北京應該天天都是灰霾. -看熱鬧的北京人- ♂ (0 bytes) () 10/06/2013 postreply 22:00:50
• 沒有汙染源,霾從天而來嗎 -布衣之才- ♂ (0 bytes) () 10/06/2013 postreply 21:27:36
• 汙染源如果在北京,那北京應該天天都是灰霾. -看熱鬧的北京人- ♂ (0 bytes) () 10/06/2013 postreply 22:00:50
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