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专题综述开关磁阻电机调速系统电牵引采煤机的设计………………１１３残采煤层厚度检测仪的设计与研究…………………………１１６纵轴式掘进机截割头简化运动与真实运动比较分析…………………………………………………１１９E４０４BC型带式输送机减速器齿轮的改进……………
Topic Overview Switched Reluctance Motor Speed Control System Design of Electric Haulage Shearer .................. 113 Design and Research of the Thickness Detector for the Residual Coal Seam .............................. 116 Longitudinal Roadheader Cutting head simplification of movement and real sports comparative analysis ...................................................... 119E404BC Belt conveyor gearbox improvement ...............