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应用深孔光爆技术成功地建成了山东省宁阳保安煤矿3402煤仓，制定了深孔光爆一次爆破成井的一系列安全技术措施，取得了良好的效果。
The application of deep borehole photoexclosing technology successfully built 3402 coal bunker of Bao’an Coal Mine in Ningyang, Shandong Province, and developed a series of safety technical measures of deep hole photoexclosing blasting into well, and achieved good results.