The present situation and existed problems of the straw-soil returningmachine are analyzed in this paper. On the basis of lucubrate on thecorrelation theory, a new type straw-soil returning machine —Doublerollers rotary cultivation machine for straw-soil retuming is designed andtrial-produced. Tests prove that the machine can accomplish severalworking procedtlres on-off and the effect can meet agricultural demands.It has extensive potential market.
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