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。
Due to its speciality, the gravitational roller conveyor must be equipped with brake rollers in its table roller.
本文介绍了重力辊子输送机、动力辊子输送机和其它辊道输送机的特点及选型时应注意的问题。
This article introduces the characteristics of gravity roller conveyor, power roller conveyor and other types of conveyors and points out problems that need our attention in selecting a conveyor.
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