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1.实验装置本装置用于乙醇制备乙烯、乙醛、乙酸乙酯等化合物的连续演示实验.在装置Ⅰ中,导气管下端缠绕螺旋状铜丝圈
1. Experimental device The device for ethanol preparation of ethylene, acetaldehyde, ethyl acetate and other compounds in a continuous demonstration experiment in the device Ⅰ, the lower end of the airway spiral wound copper wire ring