diisocyanates
美
英 
例句
That color changing is often the defect of materials based on aromatic diisocyanates group.
而這通常是芳香族二異氰酸酯基的缺點。
Test Method for Unreacted Toluene Diisocyanates in Urethane Prepolymers and Coating Solutions by Gas Chromatography
氣相色譜法測定氨基甲酸乙酯預聚物和涂料溶液中的游離甲苯二異氰酸酯的試驗方法