Roller is a construction machinery. DRUM use rolling action of soil, roadbed and road pavements dense cushion of self-compacting machinery. Widely used in roads, embankments and dams and other projects.
DRUM use rolling action of soil,swamp crawler bulldozer with blade roadbed and road pavements dense cushion of self-compacting machinery. Widely used in roads, embankments and dams and other projects. Press compaction principle has hydrostatic vibratory roller compactor and the lik.
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