Owing to space limitation or in case of lifting materials at large slope, raisededge conveyor belt is often used to prevent scatter of conveyed material.
由于场地限制或需要大倾角提升物料，为了防止输送物料的散落，往往选择挡边输送带。
2
SHOULDER: Defect found on rib or outer diameter; a raisededge on rib face caused by grinding wheel; raised surface at either end of outer diameter raceway.
挡肩：外径或挡肩上发现的缺陷；挡肩上由于磨床砂轮所造成的突起；在外径滚道两端的突起。
3
The trend raised local concerns that the US may lose its competitive edge in science, technology and other fields.