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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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