So even in the face of a complete station blackout—you don't have any power at all—there are methods for using the steam-driven pump to continue to keep cooling going.

所以即使面临电厂断电——你无法获得任何电力——仍然有办法用蒸汽驱动的水泵来继续冷却系统运转。

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In order to achieve power steering function in fuel cell bus, an electrohydraulic system is proposed, where the pump is directly driven by a DC motor through an axis coupler.

为了实现燃料电池电动客车的动力转向功能，提出了直流电机通过联轴机构直接驱动油泵的电动液压式动力转向系统。

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In the light of the key technique of the down-hole driven progressive cavity pump (PCP) for oil production, a power distributional planetary reducer is proposed.

针对井下驱动螺杆泵的关键技术问题，提出了用于井下直接驱动螺杆泵的功率分流式行星减速器。

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