Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate.是什么意思_Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句