密封空气被注入到主马达轴（顶部和下部）和驱动马达的齿轮轴的迷宫式密封里。

Seal air is injected into the labyrinth seals located at the main motor shaft (top and bottom) and at the pinion shaft driving the motor.

youdao

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。

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.

youdao

结合其开放式构架和标准原料产品，这样就帮助提供改善了的可用性而且支持传统的动力轴驱动控制。

This, combined with its open architecture and standard off-the-shelf products, helps provide improved usability and support over traditional line shaft drive control.

youdao