belt roller

基本解释

Automation product line is composed of belt conveyor , roller conveyor , chain conveyor and lifter.
皮带机、滚筒输送机、链条输送机、升降机等组成适合生产要求的自动化生产线。
translation-dictionary.net
Fixed Belt or Roller conveyors can also be used as feeding or discharge devices at the bottom of the conveyor.
固定带和转动带也可以用于入货和卸货的装置。
blog.sina.com.cn
The invention aims at providing a material limiting device of round pipe rack type converter capable of preventing damage of conveyor belt and roller.
本发明的目的是提供一种可防止输送带和托辊损坏的圆管带式输送机的限料装置。
ip.com