diisocyanates
美
英 
例句
That color changing is often the defect of materials based on aromatic diisocyanates group.
而这通常是芳香族二异氰酸酯基的缺点。
Test Method for Unreacted Toluene Diisocyanates in Urethane Prepolymers and Coating Solutions by Gas Chromatography
气相色谱法测定氨基甲酸乙酯预聚物和涂料溶液中的游离甲苯二异氰酸酯的试验方法