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关注：1
2013-05-23 12:21
求翻译：The pumping unit is widely used in oil field all over the world because of its simplicity, realibility and low cost. When the oil pressure of a reservoir is not large enough for the oil self-blowing, the oil in the bottom of well shall be drawn by means of pumping unit, which changes the rotational motion into vertical是什么意思？ 待解决
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- 离问题结束还有
The pumping unit is widely used in oil field all over the world because of its simplicity, realibility and low cost. When the oil pressure of a reservoir is not large enough for the oil self-blowing, the oil in the bottom of well shall be drawn by means of pumping unit, which changes the rotational motion into vertical
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2013-05-23 12:21:38
抽油机广泛应用于油田遍布因为它的简单， realibility和低成本的世界。
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2013-05-23 12:23:18
脉动单元是用途广泛在油田全世界由于它的朴素、realibility和低成本。当水库的油压为自吹的油不是足够大，在井底部的油通过脉动单元将被画，改变转动到垂直的相互行动，驾驶抽油杆油井泵浦串和柱塞
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2013-05-23 12:24:58
脉动单元是用途广泛在油田全世界由于它朴素， realibility和便宜。 当水库的油压为油不是足够大自已吹，油在井底部通过脉动单元将被画，改变转动到垂直的相互行动，驾驶抽油杆油井泵浦串和柱塞
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2013-05-23 12:26:38
抽油机由于其简单、 可靠性和低成本，广泛应用于世界各地的石油领域。当一个水库的油液压力不是足够大的油自吹的时在底部的油好应通过抽油机的旋转运动变为垂直往复运动，驱动抽油杆柱和抽油泵柱塞绘
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2013-05-23 12:28:18
跳动单位是广泛地应用于油田在世界各地因为其简单， realibility 和低成本。一座水库的油压力为自我吹的油不是足够大的时，在底部的油将好地通过注入单位被画，将 rotational 运动变成垂直相互的运动，油井水泵的操纵的吸管棍棒线和活塞
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