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目前国内高速铁路飞速发展,隧道比例大、断面大、地质结构复杂;在一定的时间和空间组织,计划,以进行施工,有利于隧道工程施工管理。
At present, the rapid development of high-speed railway in China has led to a large proportion of tunnels, large cross-sections and complicated geological structures. Organizing and planning for a certain period of time and space for construction is conducive to tunnel construction management.