第三十五条 国家对放射源、射线装置实行分类管理，具体分类办法由国务院有关部门制定。
For decades, the Valero refinery shaped Benicia’s economy, politics and health. Now the city has become a reluctant test case of whether an oil town can reinvent itself
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Yorkshire plant has been criticised for taking material from some of British Columbia’s most environmentally important forests
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