懸臂式(shi)掘進機正在濟南(nan)CBD項目建設工地(di)(di)(di)作業(ye)。 在地(di)(di)(di)下24米的(de)深處,一(yi)臺很(hen)像挖掘機的(de)“大家伙”正“突突突”地(di)(di)(di)在作業(ye)面(mian)(mian)上(shang)施(shi)工,前(qian)面(mian)(mian)有一(yi)個巨(ju)大鉆(zhan)頭(tou)不停地(di)(di)(di)往(wang)堅硬的(de)巖石里面(mian)(mian)鉆(zhan)探,機器后面(mian)(mian)不斷涌出(chu)碎石和(he)土塊……...