That's right, the water tower and pumps work together to keep the water pressure stable throughout the day.

的确如此，水塔和水泵协力保持水压在一天中持续稳定。

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The nuclear reactor pump is the key equipment in the nuclear power plant. It is important for the safe of the nuclear power plant that the pumps work stably for a long time.

核泵是核电站中最为关键的设备之一，它长时间稳定运行对核电站的安全有重要作用。

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Pumps work, as the two screws driven screw symmetrical and active engagement, so the role of the active radial force on the screw entirely balanced, active screw does not bear bending loads.

泵工作时，由于两从动螺杆与主动螺杆左右对称啮合，故作用在主动螺杆上的径向力完全平衡，主动螺杆不承受弯曲负荷。

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Men with treadle pumps often no longer have to leave the farm to seek extra work in cities.

VOA: special.2009.08.17

But the Barry family isn't flying again until they're confident their kids -- both of whom have Type 1 diabetes -- will have pumps that work beyond the checkpoint.

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Rescuers have taken in lights and pumps and are trying to work out how much water is there and whether it is getting deeper in the mine, which is near the River Tawe.

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One drawback: The new drug doesn't work well in the heart, which pumps too rapidly for long-exposure pictures.

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