常見例句In this paper,the preparatlon and application in medicine and pesti-cides etc. of chloroacetyl chloride and its derivatives were briefly described. 介紹了氯乙酰氯及其系列衍生物的研制及在農藥、醫(yī)藥等領域的應用概況。sol-gel preparatlon sol-gel法制備 返回 Preparatlon