短语词组短语hot -melt adhesive ME ME型热熔粘合剂polyurethane hot -melt adhesive 聚氨酯热熔胶Copolyamide Hot -melt Adhesive 聚酰胺热熔胶Polyamide Hot -melt Adhesive 聚酰胺热熔胶Hot -melt adhesive composition 发明名称 返回 hot melt adhesive