????“???????????????????”?????

????:??????????:????

????12??2??????????????????? (?? ?????????)2?,?????????????“??????????????????????”???(TBM)??????????????????4?????????????8???????,?????????????????????TBM?,??????????????TBM????????????????????????

12??????????2?????????,?????TBM“???”??????????????????????

??,“????????”TBM???????????,?,?????????????????12.23???????????,??160?,????????????2800??????????????????????????,?????????????????????,??,?,?20%?40%?

????12??????????????2?,??????????????3.3?????????,????????????????14.9??,10?????TBM?????4???????,?2??

????,?????“??”,??????????????????????????????????????????,?,?,??????(??????????)

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