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學習快評丨qibao666888　　從??(cong)過??(guo)去??(qu)長??(chang)江??(jiang)隧??(sui)道??(dao)由??(you)清??(qing)一??(yi)色??(se)“洋??(yang)盾??(dun)構(gòu)??(gou)”掘??(jue)進??(jin)施??(shi)工??(gong)??，到?(dao)中??(zhong)交??(jiao)天??(tian)和??(he)自??(zi)主??(zhu)研??(yan)制??(zhi)國??(guo)產(chǎn)??(chan)首??(shou)臺??(tai)超??(chao)大??(da)直??(zhi)徑?(jing)盾??(dun)構(gòu)??(gou)機?(ji)“天?(tian)和??(he)號??(hao)”破??(po)局??(ju)??，到?(dao)國??(guo)產(chǎn)??(chan)盾??(dun)構(gòu)??(gou)機?(ji)與??(yu)“洋??(yang)盾??(dun)構(gòu)??(gou)”同??(tong)場??(chang)競??(jing)技??(ji)??，再??(zai)到??(dao)如??(ru)今?(jin)的??(de)國??(guo)產(chǎn)??(chan)超??(chao)大??(da)直??(zhi)徑??(jing)盾??(dun)構(gòu)??(gou)機??(ji)在??(zai)長??(chang)江??(jiang)隧??(sui)道??(dao)工?(gong)程?(cheng)建??(jian)設(shè)?(she)中??(zhong)大?(da)顯??(xian)身??(shen)手??(shou)??，彰??(zhang)顯??(xian)中??(zhong)國??(guo)國??(guo)產(chǎn)?(chan)超??(chao)大??(da)直?(zhi)徑??(jing)盾??(dun)構(gòu)??(gou)機??(ji)研??(yan)制??(zhi)和??(he)應(yīng)??(ying)用?(yong)實??(shi)現(xiàn)??(xian)新??(xin)跨??(kua)越??(yue)??。??。