4Application of Comprehensively Fire-preventing and Fire-fighting Technology to Xiaokang Coal Mine7-9
11Problems Worth Notice in Taking Model DW80 Feed Breaker for the Main Switch on the Low-voltage Side of Transformers22-23
13Causes for "1.25" Extremely Large Methane Explosion in Gengcun Coal Mine and the Preventive Measures32-33
14Variation of Methane Emission in Two- shift System and Its Influence on Appraisal of Methane Classification33-35
17Enhancing the Management of Coal Mine Electro-mechanical Equipments and Ensuring the Safe Operating of the Equipments47-48
18Insisting on "the Four of in-positions" for Controlling and Preventing Major Methane Accidents from Occurring49-51