Discussion on Cost Reduction Ways in Coal Enterprises;

Ways for Promoting the Coaxal Precision of Trunked Hole in Finishing Boring;

The Way for Quick Excavation in Rock Roadway;

Analysis of approach on reducing medium consumption in dense medium preparation plant;

The basic approach of safety management on high gas mine;

Available Approach Preventing Top of Oil Tank from Losing Stability;

Important ways that enhance probability of quality of die-casting products;

Analyses on the Mechanisms and Ways of Nose and Vibration Generation by Main Equipment in Rice Processing System;

Analysis of the source of motive power and ways for enterprises to create core competitive ability;