A new diagraph surface tension with the device of surface tension coefficient has been developed in order to cultivate the working abilities and deepen the students ' understanding of the impression to the liquid surface tension with comprehend 摘要本文为培养学生动手能力和加深学生对液体表面张力的印象和理解，研制出一种新的测量表面张力和表面张力系数的装置，并从原理和实际操作中作了详细的说明。
