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2???????

3???????

4???????????

5??????????

?????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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