手动摇杆弹簧拉力系统，可拉任何球拍，操作快速与准确。

Manual crank spring tensioning system strings all racquets fast, precisely and easily.

youdao

手动摇杆弹簧拉力系统，可拉任何球拍，操作快速与准确。

Manual crank spring tensioning system strings all racquets fast, precisely and easily.

youdao