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Bentonite (1) |
Deviations (1) |
Jacking force (1) |
Lubrication (1) |
Microtunnelling (1) |
Skin friction (1) |
Stoppages (1) |
Bentonite (1) |
Deviations (1) |
Jacking force (1) |
Lubrication (1) |
Microtunnelling (1) |
Skin friction (1) |
Stoppages (1) |