这一设计采用马达传动小齿轮，通过机架固定见安装在每个进出机架上。

This design uses a motor driven pinion, which drives each leg in and out through racks mounted to each.

youdao

这一设计采用马达传动小齿轮，通过机架固定见安装在每个进出机架上。

This design uses a motor driven pinion, which drives each leg in and out through racks mounted to each.

youdao