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回顾了矿用采煤机径向硬质合金截齿的发展过程，分析了存在的一些缺陷，并从截齿的承载结构和工艺上提出了一些新的改进方法。
The development process of the radial carbide pick for the coal mining machine was reviewed. Some existing defects were analyzed. Some new improved methods were proposed based on the bearing structure and technology of the pick.