free cell短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 游离细胞 The experimental contrast of the same strain of bacteria that biodegrades phenol in immobilized cell state and in free cell state proved that red brick fragments is a fine carrier material. 通过同一菌种在固定状态和游离状态降解含酚废水的实验对比，证明红砖碎粒是一种优良的载体材料。 cnki