high pumping rate screw pump 大排量螺杆泵
High pumping rate formation tester is mainly used to get fluid sample and reservoir static pressure.
大排量泵抽式地层测试器以获取流体样品和地层静压为主。
In the light of the low reliability and high failure rate of beam pumping units, a system reliability synthetic appraisal and distribution method considering predicted failure rate is introduced.
针对游梁式抽油机整机可靠性差、故障率高，必须进行系统可靠性设计的现状，提出一种考虑预计失效率的系统可靠性综合评分分配法。
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