Through brief description of high pressure water jet technology and its basic application, this article expounds the principle and application in processing and life. It shows that new technology is changing people's life and production. It concluded that people's industrial technology level is developing rapidly along with the development of science and technology. Only by studying and mastering the new science and technology, can we contribute to social progress better.%本文通过对高压水射流技术的简述及对其基本应用的简要介绍，阐述了这种新型技术的原理及在加工和生活中的用处，说明了新型技术正在改变着人们的生活生产，总结出由科学技术的发展人类的工业技术水平也随之迅猛发展，只有更好地学习和掌握新型科学技术，才能更好地为社会进步做出贡献。
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