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12?????2?????????????,???????????TBM“???????????”?????????????????????????????????

??,“??”TBM?,????,??????????????12.23??????????????????,?160??,?????2800????????????????????????,???????,?,?????,?20%??????????40%?

?12???????2???????????????,?????3.3????,??????????????14.9????????,10?????TBM????????????????4????????????????????????????,??2????

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