The di-octadecanol maleic was prepared with maleic anhydride and octadecanol as raw materials and p-toluene sulphonic acid as catalyst.是什么意思_The di-octadecanol maleic was prepared with maleic anhydride and octadecanol as raw materials and p-toluene sulphonic acid as catalyst.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句