I think it's a single pivot system because the rear type will just move like a single pivot system.

我认为它是单转点系统是因为后部运动形式像单转点系统。

youdao

The single-row rear type transmission device of the precursor motor has scientific design, reasonable structure, high transmission efficiency and stable transmission;

本发明前驱电机单排后置式传动装置设计科学，结构合理，传动效率高，传动平稳；

youdao

The single-row rear type transmission device of the precursor motor has scientific design, reasonable structure, high transmission efficiency and stable transmission;

本发明前驱电机单排后置式传动装置设计科学，结构合理，传动效率高，传动平稳；

youdao