阳泉固庄煤矿根据多年来施工实践经验，分析光面爆破在煤巷锚杆支护施工中的应用。
According to the construction experience of Guzhuang coal Mine in Yangquan City for many years, the paper analyses the application of smooth blasting in coal laneway bolting.
根据多年来的工作实践与经验，提出如何做好外文期刊采集的质量控制方面的一些做法和体会。
On the basis of author's practical experience in many years in foreign periodical acquisition, the paper puts forward methods of improving the quality control of foreign periodical acquisition.
根据多年来在大冶铁矿和南芬铁矿等地试验研究的结果，说明了提高炸药密度、装药密度和体积威力的优越性。
The results of research and tests conducted at Daye Iron Mine and Nanfen Iron Mine for many years show the superiorities of increasing explosive density, loading density and volume strength.
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