catalytic alkylation催化: catalyze; catalysis酸催化烷基化: acid alkylation三氯化铝催化烷基化: aluminium chloride alkylation; aluminum chloride alkylation三氯化铝催化烷基化过程: alchlor alkylation process乙氧基化烷基胺: ethoxylated alkylamine下载手机词典可随时随地查词查翻译