大家在查：碧流河水库水波荡漾屈波斯塔登早期欧洲酸雨区蒙特利尔协议一氧化物空洞形成所有生活

重酸雨

重酸雨

重酸雨

重酸雨

1

and that in Guanyinqiao was the most seriously with the lowest acid rain frequency .

观音桥点降水污染最重，酸雨频率最低。

2

The acid rain pollution in the south is rather serious , with acid rain in over 90% of the cities in the acid rain control zone .

南方地区酸雨污染较重，酸雨控制区内 90%以上的城市出现了酸雨。

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