The dimensional stability of homemade polyimide film is far lower than that of overseas electro-thermal film. Improvement should be on the chemical structure, manufacturing technique and equipment.
国产聚酰亚胺薄膜的尺寸稳定性远低于国外电子膜，树脂的化学结构、生产工艺和生产设备都有待改进。
The utility model has the advantages of reasonable structure, simple manufacturing technique, low cost, and good anti-skid effect and can be used as an anti-skid shoe or as a common shoe.
本实用新型结构合理、制造工艺简单、成本低、防滑效果好、可做为防滑鞋，也可做为普通鞋。
Acoustic emission technique is more and more widely applied into material research, dynamic testing of metal structure and equipment integrity, and monitoring in manufacturing procedure.
由此阐述了声发射技术在材料科学的研究，金属构件与设备完整性动态检测，以及制造过程监控中越来越广泛的应用。
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