????“???????????????????”?????

????:??300???:??????????

?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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