said medicated shoe-pad has a multilayer structure, including surface layer, puffed paper layer, puffed paper layer in which a chinese medicine powder is mixed and bottom layer from top to bottom.
药物鞋垫为多层结 构,按由上至下顺序,包括表层、膨化纸层、掺有中药粉的膨化纸层、底层,表层和底层为无纺布层或打孔膜。