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2???????

3?????

4?????????

5???????9??????

???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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