单词	acoustic coating
释义	acoustic coating 隔声阻尼层
随便看	sulfonic acid halides sulfonic acid iodide sulfonicacid resin sulfonic acids sulfonic acid salt sulfonic acid salts sulfonic acids, aromatic sulfonic acids, heterocyclic sulfonic acid type sulfonic acid type cation ion exchange fiber sulfonic acid type cation ion exchange fibre sulfonic acid type resin sulfonic amide sulfonic anhydride sulfonic aniline Sulfonic compounds sulfonic derivative sulfonic derivatives sulfonic ester sulfonic esterification sulfonic-functionalized MSU sulfonic group sulfonic groups sulfonic grous sulfonic polystyrene resin