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。

youdao

Equipment has lathes, CNC Vertical lathe, CNC bed Big head, boring machine and so on.

设备有车床、数控立车、数控大头床、镗床等。

youdao

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。

youdao

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!