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學習快評丨qibao666888　　西??(xi)塱??(塱)隧??(sui)道??(dao)出??(chu)口??(kou)明??(ming)挖??(wa)段?(duan)全??(quan)長?(chang)660米??(mi)??，最?(zui)大?(da)開??(kai)挖??(wa)深??(shen)度??(du)達??(da)25米??(mi)??。??該??(gai)段??(duan)采??(cai)用?(yong)明??(ming)挖??(wa)順??(shun)作??(zuo)法??(fa)施??(shi)工??(gong)??，工??(gong)程??(cheng)圍??(wei)護?(hu)結(jié)??(jie)構(gòu)??(gou)形??(xing)式?(shi)復??(fu)雜??(za)??，地?(di)層??(ceng)敏??(min)感??(gan)??，基??(ji)坑??(keng)開??(kai)挖??(wa)范??(fan)圍??(wei)內(nèi)??(nei)淤?(yu)泥??(ni)質(zhì)??(zhi)地??(di)層??(ceng)分??(fen)布??(bu)占?(zhan)比??(bi)超??(chao)過??(guo)70%??，施??(shi)工??(gong)難??(nan)度??(du)極??(ji)大??(da)???！　∧??(mu)前??(qian)??，西??(xi)塱??(塱)隧??(sui)道??(dao)出??(chu)口??(kou)明??(ming)挖??(wa)段??(duan)主??(zhu)體?(ti)結(jié)??(jie)構(gòu)??(gou)已??(yi)完??(wan)美??(mei)收??(shou)官?(guan)??，盾??(dun)構(gòu)??(gou)刀??(dao)盤??(pan)及??(ji)配??(pei)套?(tao)設??(she)備??(bei)已??(yi)進??(jin)場??(chang)調(diào)??(tiao)試??(shi)??，盾??(dun)構(gòu)??(gou)施??(shi)工?(gong)即??(ji)將??(jiang)啟??(qi)動??(dong)??。??。