The spring presses through the briquetting the rack depending in the gear, guarantees ceaseless meshing.

弹簧通过压块将齿条压靠在齿轮上，保证无间隙啮合。

youdao

The spring presses through the briquetting the rack depending in the gear, guarantees ceaseless meshing.

弹簧通过压块将齿条压靠在齿轮上，保证无间隙啮合。

youdao