hard rock tunnel boring machine 岩石隧道钻挖机
hard rock raise boring machine [矿业] 硬岩天井钻进机
rock tunnel boring machine 岩石隧道掘进机
The kerf is the outside boundary of the tunnel wall that a boring machine gouges out as it bores through the ground or rock.
切口在隧道壁边界的外面，隧道壁是由钻机在钻透土地或岩石时挖出的。
A full face rock tunnel boring machine was highly sensitive to geologic situation.
全断面岩石掘进机施工对地质地层状况非常敏感。
Being a crucial factor in influencing the performance of Full Face Rock Tunnel Boring Machine (TBM), the cutterhead design is one of the key issues of TBM.
刀盘设计是全断面岩石隧道掘进机(TBM)的设计关键，是影响其掘进性能的决定性因素。
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