motor element的用法和样例：
例句
- The HPUs are driven by a diesel engine for land pipelines or an electric motor for laybarge or spool- based operations.
柴油机驱动陆地管线的液压动力元件，而对于布管驳船或基于活塞运作的液压动力元件则由电动机驱动。 - Commutation of the motor is achieved by use of a single Hall element sensor to detect the rotational position of an alternating-pole ring magnet.
电动机整流可通过使用单个霍尔元件传感器侦测极性交互环形磁铁的旋转位置来实现。
