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學習快評丨qibao666888　　汕??(shan)汕??(shan)高??(gao)鐵??(tie)是??(shi)國??(guo)家??(jia)“八??(ba)縱??(zong)八?(ba)橫??(heng)”高??(gao)速??(su)鐵??(tie)路??(lu)網(wǎng)??(wang)沿??(yan)海??(hai)通??(tong)道??(dao)的??(de)重?(zhong)要??(yao)組?(zu)成??(cheng)部?(bu)分??(fen)??，線??(xian)路??(lu)起??(qi)自?(zi)汕??(shan)頭??(tou)站??(zhan)??，途??(tu)經(jīng)??(jing)汕??(shan)頭??(tou)市?(shi)、揭??(jie)陽??(yang)市??(shi)、汕??(shan)尾??(wei)市??(shi)??，終??(zhong)至??(zhi)汕??(shan)尾??(wei)站??(zhan)??，正??(zheng)線??(xian)全??(quan)長?(chang)162公?(gong)里??(li)??，設??(she)計??(ji)時??(shi)速??(su)350公??(gong)里??(li)??。??該??(gai)項?(xiang)目??(mu)汕?(shan)尾??(wei)至??(zhi)汕??(shan)頭?(tou)南??(nan)段??(duan)已??(yi)于?(yu)2023年??(nian)12月??(yue)開??(kai)通??(tong)運??(yun)營?(ying)???！　∧??(mu)前??(qian)??，在??(zai)建??(jian)汕?(shan)頭??(tou)南??(nan)至?(zhi)汕??(shan)頭??(tou)段??(duan)正??(zheng)線?(xian)長??(chang)度??(du)19.8公??(gong)里??(li)??，其??(qi)中?(zhong)汕??(shan)頭??(tou)灣??(wan)海??(hai)底?(di)隧??(sui)道??(dao)正??(zheng)是??(shi)該??(gai)段??(duan)重??(zhong)難?(nan)點?(dian)控??(kong)制?(zhi)性?(xing)工??(gong)程??(cheng)??。??。