座板翻转：弹簧回复，也可做弹簧加阻尼慢回复机构。

Seat Flip: spring back, also can be slow return spring plus damper body.

youdao

座板翻转：弹簧回复，也可做弹簧加阻尼慢回复机构。

Seat Flip: spring back, also can be slow return spring plus damper body.

youdao