常见例句GRAFT COPOL YMERIZATION OF BUTYL ACRYLATE AND SWEET POTATO STRCH USING APS-Na_2S_2O_3AS INITIATION SYSTEM APS－Na_2S_2O_3引發躰系作用下丙烯酸丁酯與甘薯澱粉的接枝共聚反應 返回 STRCH