The equation for calculating the fullness coefficient of a subsurface pump is derived.
推导出计算抽油泵充满系数的公式。
Through the discussion of the equation, the main factors influencing the fullness coefficient are found out.
通过对公式的分析讨论，找出影响抽油泵充满系数的主要因素。
Through the discussion of the equation, the main factors influencing the fullness coefficient are found out.
通过对公式的分析讨论，找出影响抽油泵充满系数的主要因素。
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