CHEN X W, ZHOU X W, ZENG Y H, et al . Study on Quality Stability of Waterborne Polyurethane Topcoat for Interior Decoration of Rail Transit Vehicles[J]. Paint & Coatings Industry, 2023 , 53(3) : 51 -56 . DOI: 10.12020/j.issn.0253-4312.2022-295