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我一个搞环保的朋友告诉我,某种环境参数(可能是二氧化硫吧?)这里一般在10左右,北京常年在200左右。我在这里四年多了,从来没有伤风感冒过。
luoboyang
(萝卜秧)
(#143338@0)
Last Updated: 2001-7-24
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请问。国内的鼻炎到乐加拿大会不会更严重?
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