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        7月8日(ri)，青島地(di)鐵3號(hao)線控(kong)制(zhi)中心(xin)一(yi)區完(wan)(wan)成設備夾(jia)層頂板(ban)砼(tong)澆筑(zhu)，即(ji)完(wan)(wan)成±0以下主體結構施工(gong)(gong)(gong)。標志著(zhu)該(gai)工(gong)(gong)(gong)程開始轉入地(di)上部分施工(gong)(gong)(gong)，該(gai)關鍵(jian)節點工(gong)(gong)(gong)期比原計劃工(gong)(gong)(gong)期提(ti)前了7天，為總體工(gong)(gong)(gong)期目標順利推進打(da)下了堅實的基礎。