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..., it can harvest four rows of crops at the same time with outstanding working efficiency. Operation Mechanism The plow blade reciprocates underground to loosen soil and lift sugar beets. Soil and impurities ...
..., slope roofing, building underground waterproofing: including reservoirs, DAMS, ponds waterproofing, tunnels, grain depots, civil air defense engineering, garbage landfill, artificial lake waterproofing. Gw...