Gear pump with the direction of rotation into and out in line with the oil mouth.

齿轮泵的旋转方向要与进、出油口相符。

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To meet the needs of transporting more oil in Ansai-Yan'an oil pipeline, the centrifugal pump sets used in the pumping stations along the line need to be modified.

针对安延线输送能力不能满足实际生产需要的状况，提出了对安延线各站输油泵进行技术改造的方案。

youdao

To meet the needs of transporting more oil in Ansai-Yan'an oil pipeline, the centrifugal pump sets used in the pumping stations along the line need to be modified.

针对安延线输送能力不能满足实际生产需要的状况，提出了对安延线各站输油泵进行技术改造的方案。

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