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▲新华网2009年3月曾报道,全球近一半的人处于室内空气污染中。室内环境污染已经引起35.7%的呼吸道疾病、22%的慢性肺病和15%的气管炎、支
▲ Xinhuanet reported in March 2009 that nearly half of the world’s people were exposed to indoor air pollution. Indoor environmental pollution has caused 35.7% of respiratory diseases, 22% of chronic lung diseases and 15% of bronchitis,