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學習快評丨qibao666888　　西??(xi)渝??(yu)高??(gao)鐵??(tie)全??(quan)長??(chang)739公??(gong)里??(li)??，設??(she)計?(ji)時??(shi)速??(su)350公??(gong)里??(li)??，是??(shi)國?(guo)家??(jia)“八??(ba)縱?(zong)八??(ba)橫??(heng)”高?(gao)鐵??(tie)網??(wang)北??(bei)京??(jing)至?(zhi)昆??(kun)明??(ming)的??(de)京??(jing)昆??(kun)通?(tong)道??(dao)和??(he)包??(bao)頭??(tou)、銀??(yin)川??(chuan)至??(zhi)海??(hai)口??(kou)的??(de)包??(bao)(銀??(yin))海??(hai)通??(tong)道??(dao)的?(de)重?(zhong)要??(yao)組??(zu)成??(cheng)部??(bu)分??(fen)??，建?(jian)成??(cheng)通??(tong)車??(che)后??(hou)??，將??(jiang)極??(ji)大??(da)地??(di)縮?(suo)短??(duan)重??(zhong)慶??(qing)與??(yu)西??(xi)安??(an)的??(de)時??(shi)空??(kong)距??(ju)離??(li)??，對??(dui)于??(yu)促??(cu)進??(jin)區(qū)??(qu)域??(yu)經??(jing)濟??(ji)協(xié)??(xie)同??(tong)發(fā)??(fa)展??(zhan)、推??(tui)動??(dong)沿??(yan)線??(xian)地??(di)區(qū)??(qu)旅?(lv)游??(you)資??(zi)源??(yuan)開??(kai)發(fā)??(fa)、助??(zhu)力??(li)鄉(xiāng)??(xiang)村??(cun)振??(zhen)興??(xing)等??(deng)具??(ju)有??(you)重??(zhong)要??(yao)意??(yi)義??(yi)??。??(完??(wan))　　城??(cheng)口?(kou)任??(ren)河??(he)特??(te)大??(da)橋??(qiao)位??(wei)于??(yu)重??(zhong)慶??(qing)市??(shi)城?(cheng)口祝(kou)縣??(xian)境??(jing)內?(nei)??，全??(quan)長??(chang)約??(yue)1180米?(mi)??，最??(zui)大??(da)墩??(dun)高??(gao)132米?(mi)??，橋??(qiao)梁?(liang)兩??(liang)端??(duan)銜??(xian)接??(jie)隧??(sui)道??(dao)??，周?(zhou)邊??(bian)山??(shan)巒??(luan)縱?(zong)橫??(heng)、地??(di)形??(xing)復??(fu)雜??(za)??，是??(shi)典??(dian)型??(xing)的??(de)山??(shan)區(qū)??(qu)“橋??(qiao)隧?(sui)相?(xiang)連??(lian)”工??(gong)程??(cheng)??。??。