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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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