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宝成铁路秦岭隧道位于宝成铁路青石崖站和秦岭站之间，全长2363.6米。 其长度仅次于会龙场隧道，为宝成铁路的第二长隧。 宝成铁路出杨家湾站后以3个马蹄形和1个螺旋形的展线上升800余米[1]，通过此隧道穿过秦岭垭口，进入嘉陵江流域并到达秦岭站。
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