Tunnel zaj duab xis tsev xog pajyog daim ntawv pheej yig tshaj plaws ntawm tsev cog khoom hauv thaj chaw ntawm tsev cog khoom, nws yog hom tsev cog khoom nrog cov yeeb nkab hloov khoov ntawm ob sab ncaj qha rau hauv av.
Hom notsev cog khoomyog dav siv nyob rau hauv nruab nrab thiab yav qab teb Tuam Tshoj, thiab nws yog nrov ntawm cov neeg cog qoob loo vim nws cov nqi qis.
Nws tuaj yeem siv los ua qhov txias txias hauv cheeb tsam sab qaum teb thiab ua vaj tse los nag hauv cheeb tsam yav qab teb, qhov chaw zaub, paj paj (tsis yog cov paj ntoo zoo nkauj) thiab cov kab mob tuaj yeem cog tau.
Hom tsev no tseem muaj kev lag luam loj vim nws tus nqi qis thiab kev teeb tsa yooj yim, tab sis nws tsim nyog sau cia tias nws yog qhov zoo tshaj kom tsis txhob yuav cov khoom siv pob txha txias galvanized, uas yuav xeb hauv ib xyoos lossis ob xyoos, thiab xaiv kub- dip galvanized skeleton khoom rau haus cov khoom.
Lub sij hawm xa tuaj: Mar-18-2022
