This exhibition is a grand event for China's coalminingindustry, equipment procurement and technical exchanges of safe production.
本次展览会可谓是中国煤炭开采、设备采购、安全生产技术交流空前隆重的盛会。
2
The technical transformation necessity, content and effect analysis in coal preparation plant, Fangezhuang CoalMiningIndustry Branch Co.
介绍了范各庄矿业分公司选煤厂集控系统进行改造的必要性、改造内容及效果分析。
3
This paper discusses the position and important role of local coalmining in whole coalminingindustry, and looks ahead the developing trend of local coalmining.