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文章介绍了金刚石钻孔机的使用范围结构类型国内外产品的技术特点及差距等并对ZJR250型汽油机驱动金刚石钻孔机的结构及技术特点进行了详尽论述
The article introduced the scope of use of diamond drilling machines, the types of structures, the technical characteristics and gaps of domestic and foreign products, and discussed the structure and technical characteristics of ZJR250 gasoline engine driven diamond drilling machines.