Flexible tension control is adjusted to different user weight when leaning back-ward or forward.

弹性的拉力调整，简易的操控按钮，可依人体弹性调整，倾仰的力度。

youdao

Flexible tension control is adjusted to different user weight when leaning back-ward or forward.

弹性的拉力调整，简易的操控按钮，可依人体弹性调整，倾仰的力度。

youdao