?????“???????????????????”????

????:????520:????????????

??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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