?? ????“?????”???????????????????
????:1????????????:???????
2???????
3????????????
4?????200?????
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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