... 游梁头：beam head 游梁式抽油机抽油的井：beam pumping well 游梁式抽油机：beam-pumping unit ...
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以抽油杆柱为研究对象，论述了斜直井游梁式抽油机冲程和冲次的计算方法。
Taking the rod string as the object of study, a method of computing pumping stroke and speed of walking beam pumping units for slant straight wells is also presented.
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