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??????????????????????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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