举重床的背垫采用滑杆滑套螺钉固定调节，调节范围增加，且方便灵活，操作简便；

Lifting weights of the bed by HuaGan slide set back cushion adjustment screws, adjusting range increased, and convenient and flexible, simple operation;

youdao

举重床的背垫采用滑杆滑套螺钉固定调节，调节范围增加，且方便灵活，操作简便；

Lifting weights of the bed by HuaGan slide set back cushion adjustment screws, adjusting range increased, and convenient and flexible, simple operation;

youdao