Scale tableroller and no power roller transportation machine.
枰台滚筒和无动力滚筒输送机。
2
Due to its speciality, the gravitational roller conveyor must be equipped with brake rollers in its tableroller.
重力式辊筒输送机由于其自身的特性，必须在辊道中设置制动辊。
3
The moving crane slowly lifts the table into the air. The guests are strapped into large, cushioned black chairs not unlike those of a roller coaster .