词汇	coating roll
释义	coating roll 涂料辊
随便看	homotopy model homotopy monomorphism functor homotopy new algorithm homotopy-Newton hybrid method homotopy obstruction homotopy of chain mappings homotopy of mappings homotopy operation homotopy operations homotopy operator Homotopy perturbation homotopy perturbation method homotopy regular morphism homotopy regular morphisms homotopy sequence homotopy set homotopy sphere homotopy system homotopy theorem homotopy theory homotopy transformation homotopy type homotopy type invariant Homotopy type of topological spaces homotopy unit element