?? ???????????????????“????”?????
????:1??????????:?????
2???????100?????
3????????
4?600???????
5?????150???
???????????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??????
?,????????????“???”,??????????????????????????,???????,???????????????????,???????????????(?????????)
??:??????