trailing wheel

基本解释

The trailing wheel has to the electrical machinery feedback electricity generation performance.
后轮具备对电机反馈发电性能。
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When in the process, the main wheel, trailing wheel or the trolley can be employed to do lively activities.
在上述过程中，可利用主轮、从轮或滚轮做一些寓教于乐的工作。
This equipment adsorption on the steel wall surface with permanent magnetic, and drive through the trailing wheel in the double crawlers.
该爬行器采用永磁铁吸附在钢板表面上，通过双履带后轮驱动，可以在船体壁面上连续爬行，并有一定的越障能力。