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Luanluo Expressway Tunnel muaj xim pavement

Sijhawm tso tawm:2024-07-25
Nyeem:
Qhia:
Xim los tiv thaiv kev taug kev yog txoj kev zoo nkauj tshiab. Nws tuaj yeem ua tiav cov yeeb yuj ntxim nyiam ntawm cov tsoos dub asphalt pavement thiab cement qhob pavement, thiab tib lub sijhawm muaj cov nyhuv tiv thaiv kev nplua, uas ua rau muaj kev nyab xeeb ntawm kev tsav tsheb.
Sanaisi tau ua tiav nyob rau hauv Pawg Thawj Tswj Hwm Thib Peb!
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