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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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