IFREconomist⁴¹³⁰³⁺² 基本例句 n.飞向目标加燃料⁵⁰红外的;仪表飞行规则⁵⁰ In summary, the match flame-retarded elements on thermal properties and component which contain in novel single molecule intumescent flame retardant P- N IFR result excellent flame-retarded effect. 可以说正是由于新型的单分子膨胀型阻燃剂 P- N IFR中各阻燃要素间的良好的热性能匹配和组分匹配，才使得该无卤膨胀阻燃剂取得出色的阻燃效果。 cnki