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阐述了国外液压凿岩技术的新发展及其在露天岩矿工程中应用的优势。介绍了国内这方面的情况和发展的步骤及前景。
The new development of hydraulic drilling technology in foreign countries and its advantages in open-pit rock and mine engineering are expounded. The situation and development steps and prospects in this area are introduced.