常見例句The preparation method of polysilicate ferric chloride(PSFC) flocculant with low grade hematite,hydrochloric acid and sodium silicate as raw materials and its flocculation performance were studied. 研究了用低品位赤鐵礦、鹽酸和硅酸鈉為原料,制備聚硅氯化鐵(PSFC)絮凝劑的方法及絮凝性能。pitch-synchronous frame concatenation (PSFC) algorithm PSFC算法PSFC Pacific Salmon Fisheries Commission 太平洋鮭魚場委員會 返回 PSFCS