According to the definition of the economic yield, the paper research the economic yield analytical methods of the old well, the new well and improved well.
根据经济产量的定义，对老井、新井及措施井的经济产量分析方法分别进行研究。
According to the definition of the economic yield, the paper research the economic yield analytical methods of the old well, the new well and improved well.
根据经济产量的定义，对老井、新井及措施井的经济产量分析方法分别进行研究。
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