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[学位论文] 作者：田然凤,
来源：燕山大学 年份：2015
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[期刊论文] 作者：邢明明,董世民,童志雄,田然凤,陈慧玲,,
来源：Journal of Central South University 年份：2015
An improved whole model of beam pumping system was built. In the detail, for surface transmission system(STS), a new mathematical model was established consider...
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