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2???????

3????????????

4?????

5?????????

?????????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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