Laws and Prevention and Control of Spontaneous Combustion on the Comprehensively Mechanized Roof-coal Caving Face of Laofutai Coal Mining Area吕国金, 赵凤清, 运宝珍7-9
Application of the Frequency-changing Speed-regulating Techonlogy to Air Compressors李锋, 许金录, 孙敬荣14-15
Scientific Exploration of Dust-sample Selection for Laboratory Test of Dust-proof products in China金小汉27-29