2Considerations about establishment of modern enterprise system for the prospecting and design organizations in China7-8
5Optimization and design of the refuse handling system and the loop pit bottom of the servicc shaft of Xingdong Mine14-16
12Discussion about whether to adopt roof coal working or floor coal working for the large- cutting height coal face in Sihe Mine33-36
16Discussion on the auxiliary drive added to the heavy - duty rubber - tyred haulage car in underground coalmine45-46
18Measures against deformation adopted for the buildings in the area influcneed by underground mining51-52
20Definition of the axial compressive bearing capacity of the meshreinforced masonry, which is a question made in the qualification examination for registered structural engineer55-57