三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 10月??(yue)23日?(ri)??,記??(ji)者??(zhe)從??(cong)蜀??(shu)道??(dao)集??(ji)團??(tuan)獲??(huo)悉??(xi)??,近?(jin)日??(ri)??,雅??(ya)(安??(an))至??(zhi)葉??(ye)(城??(cheng))國??(guo)家??(jia)高??(gao)速??(su)公??(gong)路??(lu)康??(kang)定??(ding)過??(guo)境??(jing)段??(duan)跑??(pao)馬??(ma)山??(shan)1號??(hao)隧?(sui)道??(dao)右??(you)洞??(dong)順??(shun)利??(li)貫??(guan)通??(tong)??。?? 項?(xiang)目??(mu)本??(ben)身?(shen)的??(de)巨??(ju)大??(da)進??(jin)出??(chu)口??(kou)高??(gao)差??(cha)、所??(suo)處??(chu)的??(de)高??(gao)寒??(han)高??(gao)海??(hai)拔??(ba)地??(di)理??(li)位?(wei)置??(zhi)以??(yi)及??(ji)穿??(chuan)越??(yue)多??(duo)個??(ge)斷??(duan)裂??(lie)帶??(dai)施??(shi)工??(gong)給??(gei)項??(xiang)目??(mu)建??(jian)設??(she)帶??(dai)來??(lai)巨祝(ju)大??(da)挑??(tiao)戰(zhàn)??(zhan)??。??為??(wei)降??(jiang)低?(di)隧??(sui)道??(dao)坡??(po)度??(du)??,隧??(sui)道??(dao)采??(cai)取??(qu)雙??(shuang)洞??(dong)雙??(shuang)向??(xiang)分?(fen)離??(li)式??(shi)特??(te)長??(chang)“S”形??(xing)曲??(qu)線??(xian)設??(she)計??(ji)??,經(jīng)??(jing)歷??(li)3次??(ci)左??(zuo)右??(you)轉??(zhuan)向??(xiang)??,累??(lei)積??(ji)轉??(zhuan)向??(xiang)341度??(du)??,使??(shi)隧?(sui)道??(dao)縱??(zong)坡??(po)控??(kong)制?(zhi)在??(zai)極??(ji)限??(xian)值?(zhi)之?(zhi)內??(nei)??。
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責編:楊之光
審核:吉尼
責編:呂程平