preform [pri:'fɔ:m]以下由轻松背单词网站提供
单词级别附加级基本释义vt. 预先形成,预制 n. 预成型件,雏形参考例句The fabric is used as preform for thermoplastic textile-reinforced composite modules. 这种织物被用作热塑性纺织增强复合材料模件的预型件。Two Methods: Used to liquid impregnate carbon fiber preform are introduced. 介绍了液相浸渍炭纤维坯体的两种方法。 推荐阅读 |