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。

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Specially designed for the manufacture of a drill, boring machine in a position to achieve two of the dedicated machine.

专门设计了制造一个将钻、镗孔在一台机床上实现的两个工位的专用机床。

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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。

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Then we're told to get out of the cramped carriage and we find ourselves next to the large boring machine.

BBC: London's underground boring renaissance

When crews prepared to drill the giant new cavity under Second Avenue, they first had to freeze the ground to about minus 20 degrees so as not to destabilize the buildings above as the boring machine cut through.

NPR: New York Expanding Nation's Biggest Transit Hub

Bureaucratic systems and processes were put in place to make the system tick over like a boring clockwork machine.

FORBES: Gasp! Machines Still Can't Think!