该产品通过将收腹机、健身车、划船机三种功能相结合，实现划船机与健身车共用同一阻力系统，适用于家用，解决传统健身器械 功能单一资源浪费问题的健身产品。

     This product combines the three functions of abdominal retractor, exercise bike and rowing machine to realize the same resistance system shared by rowing machine and exercise bike. It is suitable for home use and solves the problem of single function of traditional fitness equipment and waste of resources.