???????????????????“????”?????

????:???????????:??????????

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

?,?????“???”,????????????????????????????????????,?,??,??????????(????????????????????????????)

??????:??????