????“???????????????????”?????

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????????????????????????????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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