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原標(biāo)題：2020国产情侣在线视频播放

　　中??(zhong)新??(xin)網(wǎng)??(wang)上??(shang)海?(hai)3月??(yue)22日??(ri)電??(dian) (記??(ji)者??(zhe) 陳??(chen)靜??(jing))歷??(li)時??(shi)365天??(tian)??，上??(shang)海??(hai)S20外??(wai)環(huán)??(huan)隧??(sui)道??(dao)大??(da)修??(xiu)工??(gong)程??(cheng)正??(zheng)式??(shi)完??(wan)工??(gong)??，22日??(ri)該??(gai)隧??(sui)道??(dao)恢??(hui)復(fù)??(fu)通??(tong)車?(che)??。?　　據(jù)?(ju)了??(le)解??(jie)?，沉??(chen)管??(guan)接??(jie)頭??(tou)修??(xiu)復(fù)??(fu)是?(shi)業(yè)??(ye)界??(jie)公??(gong)認?(ren)的??(de)難??(nan)題??(ti)??。??針??(zhen)對??(dui)沉??(chen)管??(guan)結(jié)??(jie)構(gòu)??(gou)特??(te)點??(dian)?，上??(shang)海??(hai)城??(cheng)投??(tou)公??(gong)路??(lu)投?(tou)資??(zi)(集??(ji)團??(tuan))有??(you)限??(xian)公?(gong)司??(si)組??(zu)織??(zhi)上?(shang)海??(hai)隧??(sui)道??(dao)設(shè)??(she)計??(ji)院??(yuan)、隧?(sui)道??(dao)股??(gu)份??(fen)上??(shang)海??(hai)隧??(sui)道??(dao)、同??(tong)濟??(ji)大??(da)學(xué)?(xue)組??(zu)建??(jian)技??(ji)術(shù)??(shu)專??(zhuan)家??(jia)團??(tuan)隊??(dui)?，突??(tu)破??(po)性??(xing)首??(shou)創(chuàng)??(chuang)“內(nèi)??(nei)置?(zhi)式??(shi)接??(jie)頭?(tou)修??(xiu)復(fù)??(fu)加??(jia)固??(gu)技??(ji)術(shù)??(shu)”??。工??(gong)程??(cheng)團??(tuan)隊??(dui)對??(dui)沉??(chen)管??(guan)段??(duan)736米?(mi)隧??(sui)道??(dao)內(nèi)??(nei)部??(bu)結(jié)??(jie)構(gòu)??(gou)完??(wan)成??(cheng)修??(xiu)復(fù)??(fu)??。該??(gai)技??(ji)術(shù)??(shu)方??(fang)案??(an)基?(ji)于??(yu)端?(duan)鋼??(gang)殼??(ke)激??(ji)光?(guang)定??(ding)位??(wei)與??(yu)結(jié)??(jie)構(gòu)??(gou)動??(dong)態(tài)??(tai)監(jiān)??(jian)測??(ce)?，創(chuàng)??(chuang)新??(xin)構(gòu)??(gou)建??(jian)三??(san)重?(zhong)止??(zhi)水??(shui)防?(fang)御??(yu)體??(ti)系??(xi)?，在??(zai)沉??(chen)管??(guan)隧??(sui)道?(dao)修??(xiu)復(fù)??(fu)領(lǐng)??(ling)域??(yu)中??(zhong)尚??(shang)屬??(shu)首??(shou)例??(li)?，具??(ju)有??(you)極??(ji)高??(gao)的??(de)技?(ji)術(shù)??(shu)挑?(tiao)戰(zhàn)??(zhan)??。據(jù)??(ju)悉?(xi)?，修??(xiu)復(fù)??(fu)后??(hou)的??(de)沉??(chen)管??(guan)接??(jie)頭??(tou)耐?(nai)久??(jiu)性??(xing)顯??(xian)著??(zhu)提??(ti)升??(sheng)?，為?(wei)長??(chang)三??(san)角??(jiao)軟??(ruan)土??(tu)地?(di)基??(ji)沉??(chen)管??(guan)隧??(sui)道??(dao)的??(de)治??(zhi)理?(li)樹?(shu)立??(li)了??(le)技??(ji)術(shù)??(shu)標(biāo)??(biao)桿??(gan)??。。