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English

As of 2010 Bulgaria ranks as the 19th largest coal producer in the world, 9th largest bismuth producer, 19th largest copper producer, and the 26th largest zinc producer.

Chinese

截至2010年,保加利亚排名世界第十九大煤炭生产国, 第9大铋生产国第19大铜生产国和第26大锌生产国。