????:1???????:??????????

2???24??????

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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