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介绍梅花山站 K2 67+75 0~ +90 0段 5 0 m高路堑 ,在保证贵昆电气化铁路正常运营情况下 ,扩堑控爆和安全防护技术措施
Introduce the high-speed cut of K2 67 + 75 0 ~ +90 0 5 0 m section of Meihuashan Station, in the normal operation of Guikun Electrified Railway, the technical measures of explosion control and safety protection