To extract synephrine, the percolation processes was selected, the extraction steps include wetting powdery FAI, dipping the wet powder in hydrochloric acid solution and percolating by using hydrochloric acid solution.是什么意思_To extract synephrine, the percolation processes was selected, the extraction steps include wetting powdery FAI, dipping the wet powder in hydrochloric acid solution and percolating by using hydrochloric acid solution.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句