...nly one experienced TBM, NATM, or D&B crew for any position, from TBM project director, assembly, commissioning, and operation to horizontaldirectionaldrilling, micro tunneling (MTBM), NATM...
...nly one experienced TBM, NATM, or D&B crew for any position, from TBM project director, assembly, commissioning, and operation to horizontaldirectionaldrilling, micro tunneling (MTBM), NATM...
...nly one experienced TBM, NATM, or D&B crew for any position, from TBM project director, assembly, commissioning, and operation to horizontaldirectionaldrilling, micro tunneling (MTBM), NATM...