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The above resins are irregular transparent solid which are the products of esterification by pentaerythrite and the adducts of rosin and maleic anhydride.
马林酸树脂又名失水苹果酸树脂,由松香与顺丁烯二酸酐加成反应后并以多元醇酯化而制得的不规则透明粒片状固体。
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colophonium,colophony:透明松香,无油松香
\\"菌落,菌丛,集落\\",\\"colony\\" | \\"透明松香,无油松香\\",\\"colophonium,colophony\\" | \\"阴道狭窄\\",\\"colopostegnosis,colpostenosis\\"