tunneling machine造句怎么写

There are mainly two kinds of roadheader: Tunnelling Boom Machine(TBM) and partial-size tunneling machine.

The article introduces the overall design of integrate simulating experimental platform of large-sized sunk shield tunneling machine.

coal or rock cutter and tunneling machinery ,self-propelled

As support and liner against cross section rock, spraying-concrete has enormous influence on the tunneling progress and the safety of the TBM tunnel's tunneling machine.

Designing of screw conveyor for EPB pipe-jacking tunneling machine

Results show that this method judges the thrust system effectively and is dependable basis for drive distribution control when shield tunneling machine thrust in heterogeneous soil.