短語(yǔ)詞組短語(yǔ)alcohol -precipitation test 酒精沉澱試騐water -extration and alcohol-precipitation 水提醇沉Water -extraction and alcohol-precipitation method 水提醇沉法method of alcohol precipitation 酒精沉澱法ethyl alcohol precipitation 乙醇溶劑沉澱alcohol precipitation method 醇沉法concentration of alcohol precipitation 醇沉濃度 返回 alcohol precipitation