A new type of bismaleimide resins called BDDD system hasbeen abtained by the methods of diamine extending chain and diallyl bisphenol A copolymerizing.是什么意思_A new type of bismaleimide resins called BDDD system hasbeen abtained by the methods of diamine extending chain and diallyl bisphenol A copolymerizing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句