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详细介绍了一种新型桩基工程中常用的复合型截齿。该截齿经武汉地质勘察基础工程总公司在长江广场与进口截齿应用对比，表现出多项独特性能，较好地解决了国产截齿替代进口的难题。
This paper introduces in detail a kind of new composite pick used in pile foundation engineering. The pick by the Wuhan Geological Prospecting Foundation Engineering Corporation in the Yangtze River Square and the application of imported cutting pick, showing a number of unique properties, a better solution to the problem of domestic pick instead of imports.