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介绍了利用废输液吊筒制作表面张力测定装置和毛细管粘度计的方法，可用于高校相关实验及工厂相关数据的测定，效果良好。
The method of making surface tension measurement device and capillary viscometer by using waste transfusion hanger is introduced. The method can be used for the related experiments in colleges and universities and the determination of factory related data, and the effect is good.