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前言水射流技术应用研究始于1945年。而高压水射流技术则是这一领域近三十年来发展起来的一门新技术，目前正广泛应用于煤炭、化工、船舶、交通、建筑、石油等行业切割破岩、清洗除锈等。该技术的应用对提高工效、降低成本、减轻劳动强度及改善工作环境起到了积极作用。随着高
Foreword Application of water jet technology began in 1945. The high-pressure water jet technology is a new technology developed in this field in the past 30 years. It is now widely used in cutting rock and cleaning rust in industries such as coal, chemical industry, shipping, transportation, construction and petroleum. The application of this technology has played a positive role in improving work efficiency, reducing costs, reducing labor intensity and improving working environment. With high