It was found that the isoprene rubber with mole fraction of cis-unit 95% could be obtained if the catalyst component were added in equal mole ratio.是什么意思_It was found that the isoprene rubber with mole fraction of cis-unit 95% could be obtained if the catalyst component were added in equal mole ratio.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句