Necessity for reconstructing Anjialing mine from an open pit into a combined opencast and underground mine刘涛4-6
Rational equipment selection and capablity matching for the fully mechanized sub-level caving face王德润, 谢广祥, 孟祥瑞, 华心祝, 余忠林6-8
Descrption and appraisal of the accuracy of the control conductor in underground working district白春娥11-12
Intelligence high-voltage switch protection device based on 89C51RB2 single-chip computer张春芝, 田柏林, 樊利军15-17
Vibration load considered in structure design of the main workshop building of coal preparation plant高红珍26-27
