????:1?????:????????????

2????

3???????600

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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