????:1?????:????QQ

2???????????

3???????80?

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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