The XNBR vulcanizated with general sulphur vulcanization system and sulphur/metal oxide vulcanization system had better oil resistance.是什么意思_The XNBR vulcanizated with general sulphur vulcanization system and sulphur/metal oxide vulcanization system had better oil resistance.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句