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Lubricant Extreme Pressure Anti-wear Additives Applied Research Progress and Direction
XIE En-qing1, ZHAO Xin-nan1, ZHANG Yun-hai2, ZHANG Hua2
1. Oils Branch of China Coal Research Institute, Beijing 100013, China; 2. Huxi shaft, Shandong Daizhuang Shengjian Mine, Jining 277606, China


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