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THEORYOFHELICOIDOFSPHERICALHOBTHEORYOFHELICOIDOFSPHERICALHOBCuiyunqi;HuZhanqi(YanshanUniversity)AbstractThemechanismofspheric...
THEORYOFHELICOIDOFSPHERICALHOBTHEORYOFHELICOIDOFSPHERICALHOBCuiyunqi; HuZhanqi (YanshanUniversity) AbstractThemechanismofspheric ...