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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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