polyamide [pɒlɪ'æmaɪd]以下由轻松背单词网站提供
单词级别附加级基本释义n. 聚酰胺,尼龙参考例句Polyamide 66 (PA66) is commonly used machine parts manufacturer of engineering plastics. 聚酰胺66(PA66)是机械零件制造常用的工程塑料之一。Results Galangin was obtained step column chromatography of polyamide only once. 结果运用聚酰胺柱层析一次分离,获得有效成分高良姜素。 推荐阅读 |