The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47.8%.是什么意思_The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47.8%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句