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原標(biāo)題：国产欧美在线一区二区三

學(xué)習(xí)快評丨qibao666888　　上??(shang)午??(wu)?，隨??(sui)著??(zhe)最??(zui)后??(hou)一?(yi)層?(ceng)巖??(yan)體??(ti)成??(cheng)功??(gong)破?(po)除??(chu)?，“永??(yong)平?(ping)號??(hao)”盾??(dun)構(gòu)??(gou)機??(ji)順??(shun)利??(li)露??(lu)出??(chu)?，意??(yi)味??(wei)著??(zhe)汕?(shan)頭??(tou)灣??(wan)海??(hai)底??(di)隧??(sui)道?(dao)正?(zheng)式?(shi)貫??(guan)通??(tong)??。??盾??(dun)構(gòu)??(gou)機??(ji)的??(de)直??(zhi)徑??(jing)達??(da)到??(dao)14.57米??(mi)?，相??(xiang)當(dāng)??(dang)于??(yu)5層??(ceng)樓??(lou)左??(zuo)右?(you)的??(de)高??(gao)度??(du)???！　≡??(zai)海??(hai)底??(di)隧??(sui)道??(dao)實??(shi)現(xiàn)?(xian)貫??(guan)通??(tong)后??(hou)??，盾??(dun)構(gòu)??(gou)機??(ji)要??(yao)再??(zai)向??(xiang)前??(qian)空??(kong)推??(tui)約??(yue)463米?(mi)??，到??(dao)達??(da)指?(zhi)定??(ding)位??(wei)置??(zhi)后??(hou)再??(zai)進??(jin)行??(xing)拆祝(chai)機??(ji)??。??這??(zhe)也??(ye)將??(jiang)是??(shi)國??(guo)內(nèi)??(nei)首??(shou)次??(ci)實??(shi)施??(shi)超??(chao)大??(da)直??(zhi)徑??(jing)盾??(dun)構(gòu)??(gou)海??(hai)底??(di)洞??(dong)內(nèi)??(nei)拆??(chai)解??(jie)??。。