???????????????????“?????”????

????:??????????:???????????????

???????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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