The features and application scope of different alternating and direct current motors used as the drive device of gear pump were compared.

对比了使用不同类型的交、直流电机作为齿轮泵驱动装置的特点和应用范围。

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This paper describes the technical features in the mechanical construction and electrical design of M2RA range of roller table motors by ABB company.

本文叙述abb公司M2RA系列辊道电动机机械结构和电气设计特点。

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Standing wave ultrasonic motors have many outstanding features for simple drive and control circuit, stationary speed of rotation, smaller undulation, etc.

其中驻波超声波电机具有驱动和控制电路简单，转速平稳，波动较小等突出优点。

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According to one industry insider, the real amount of time available when other features of the solicitation are factored in is 18 months, which is a lot less time than General Motors would spend on developing a new vehicle concept like the Volt.

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