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晋宁磷矿基本建设工作中由于实行投资包干,层层落实经济责任制,坚持改革,因而保质保量按期完成了建设任务。
Jinning phosphate rock phosphate construction work due to the implementation of investment, implementation of economic responsibility system at various levels, adhere to the reform, so the quality and quantity completed the construction tasks on schedule.