加快隧道及地下工程施工速度的关键在于提高施工设备的装备程度。这在京秦线的丁庄隧道;衡广复线的大瑶山、南岭隧道;大秦线的军都山、白家湾,摩天岭等隧道的施工中,得到证实。但这些新线建设吸取以往施工设备不配套成龙、形成不了生产力的教训,而大量 The key to speeding up the construction of tunnels and underground works lies in improving the equipment of construction equipment. This was confirmed on the Dingzhuang tunnel on the Jing-Qin line, the Dayaoshan and Nanling tunnels on the Hengguang Double Route, and the construction of the tunnels such as the Jundu Mountain, Baijiawan and Mount Tianling on the Daqin Line. However, these new-line construction lessons from the past does not support the construction equipment Jackie Chan, can not form a lesson in productivity, and a large number