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????? ??? ????? ?????? ???? ????? ?????? ??? ?? ????? ????? ??? ???? ?????? ?????? ??? ??? ?????? ???? ??? ??? ????? ???? ?????? ???? ???? ?????? ???? ???? ?? ???? ?????? ???? ??????? ????? ?? ?????? ???? ???? ??????? ???
?????? ??? ?????? ??? ???? ????? ??? ??? ????600 ??? ???? ??? ????? 9.3?.? ???? ???? ?????? ????? ??? ???? ???? ???? ???? ??? ??? ??? ??? ???? ??? ?? ???? ????? ???? ????? ??? ????? ????? ???? ?? ??? (??? HDPE ???) ?????? ??????? ???? ??? ?????? ??? ??? ??? ???? ??? ????? ?? ???? ?????? ?? ??? ??? ??? ????? (?????, ??) ???? ?????? ?? ???? ???? ??? ??? Micro-tunneling ???? ??? ?????? ??????
???? ???| ????? ??： | ?????, ????? | ?????? ???? | 2024 |
| ????? ??? ??????: | ??? ?? ??? | ?????? ?????： | ?? ??? |
| ???? ????： | NPT600 | ???? ?????： | 600?? |
| ???? ???? | ????? ???? | Cutterhead ???： | 15?? |
| ???????? ?????： | 23????? | ???? ????: | 5????? |
| ????? ????: | ??? ???? | ||
????? ??? ???? ?? ??? ???? ?? ??? ???? ????? ??????? ???? ???? ??? ????? ???? ??? ??? ???? ??? ?????? ???? ???? ???? ??? ???? ??? ???????? ???????
??? ??? ? 2026 ????? ???? ???? ???? ?.?.?.??? ??? ???????? ????? ????? ????? ????? ??? ??????? ??????????? ????? ????? ????? ????? ??? ????????
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