catalyst for ethanol delydration to ethylene乙醇: alcohol; ethanol; ethylalcoh ...脱水: deprivation of body fluids; ...制: make; manufacture乙烯: ethylene; ethene; olefiant g ...催化剂: catalyst; catalytic agent下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:乙醇脱水制乙烯催化剂，即可在微信中查询翻译
