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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　項??(xiang)目??(mu)本??(ben)身??(shen)的秘(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??(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(nèi)??(nei)???！　№??(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??(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(nèi)??(nei)??。

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