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针对胜利东二矿的物料环境,研究不同材质、结构斗齿的应用。即涉及到出厂前的技术开发,也包括投入应用后的技术创新。
According to the material environment of Shengli East Second Mines, the research on the application of different materials and structure teeth. That is related to the technical development of the factory, but also includes the application of technological innovation.