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国际调查研究发现,中低收入国家生产的生活用品普遍有铅污染,亚洲儿童的血铅浓度和智力损失尤其突出,中国儿童的IQ被偷走多少?
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By RFA5
11 ratings
国际调查研究发现,中低收入国家生产的生活用品普遍有铅污染,亚洲儿童的血铅浓度和智力损失尤其突出,中国儿童的IQ被偷走多少?
Hosted on Acast. See acast.com/privacy for more information.

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