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學習快評丨qibao666888　　從?(cong)過??(guo)去祝(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??(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??(ying)用??(yong)實??(shi)現(xiàn)??(xian)新??(xin)跨??(kua)越?(yue)??。??。