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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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