A paper or electronic document that requests deliveryofmaterials or services and is normally initiated by the using department.
要求提供物料或服务的纸质或电子文件，一般由使用部门提交。
2
Smooth deliveryofmaterials, supplies, there is no relative movement with the conveyor belt, to avoid damage to the carrier material.
输送平稳，物料与输送带没有相对运动，能够避免对输送物的损坏。
3
Equipment characteristics: smooth deliveryofmaterials, supplies, there is no relative movement with the conveyor belt, to avoid damage to the carrier material.