... pumping system efficiency 抽水装置效率 overall pumping efficiency 喷油总效率 ; 峰值喷油压力 efficiency of pumping station 泵站效率 ...
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General beam pumping system should be the overall efficiency of about 50% if less than this should improve its performance.
一般游梁式抽油系统的总效率应为50%左右，若低于此应提高其性能。
The system efficiency is a primary index for evaluating pumping system. The quality of measured parameters has a great influence on the efficiency of pumping system.
系统效率是抽油机装置的主要评价指标，测量参数的质量对系统效率测算结果准确程度的影响很大。
This pumping model is suitable for enhancing the effective stroke and efficiency of pumping system and reducing the consumption of energy.
该模式有利于提高泵的有效冲程及系统效率，降低能耗。
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