TBMs Catherine and Marlene are Earth Pressure Balance TBMs.
Find out in this video what makes them equipped to carve out the Sydney Metro - Western Sydney Airport tunnels from Orchard Hills to St Marys.
Негізгі бет TBMs Catherine and Marlene
TBMs Catherine and Marlene are Earth Pressure Balance TBMs.
Find out in this video what makes them equipped to carve out the Sydney Metro - Western Sydney Airport tunnels from Orchard Hills to St Marys.
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