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The small roller is composed of four parts: engine, operating handle, steel ring and hydraulic system. Due to its small size, compact structure, conve

Small rollers are becoming more and more common in the beautification of cities, so where are small rollers used? What about its effect?

The lubricating oil of the vibrating wheel of the small roller shall be changed every 1000 hours. Check whether the lubricating oil of the vibrating w