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забойный экран для отделения твёрдых частиц (Large diameter pipe placed outside the gas anchor to reduce the amount of solids carried by the formation liquid entering the subsurface sucker-rod pump.  slb.com YMedentsii) | |||
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| забойный экран для отделения твёрдых частиц (Large diameter pipe placed outside the gas anchor to reduce the amount of solids carried by the formation liquid entering the subsurface sucker-rod pump. slb.com YMedentsii) | |||