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

2???????

3????????100??

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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