5.Tobacco supplements
工業(yè)科技

        SyntheticsThe first introduction of a wholly non-tobacco supplement as a component of a tobacco blend occurred in West Germany in late 1974 with themarketing of two brands containing 20%～25% tobacco supplement. Inearly 1975,a tobacco supplement was also i......（本文共 2559 字）     [閱讀本文] >>