Nrog rau Colombia pib lub xyoo tseem ceeb rau nws cov txheej txheem tsim kho vaj tse hauv tebchaws, cov kws tshuaj ntsuam xyuas xav tias yuav muaj kev nce ntxiv ntawm qhov kev thov rau cov hlau lag luam. Vim yog kev tsim kho sai ntawm Bogotá Metro Line 1 thiab ntau qhov kev lag luam thauj mus los thiab lub zog ntau txhiab lab daus las, xyoo 2026 twb yog lub xyoo ntawm"Lub Colombian Structural Steel Boom."
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Lub sijhawm tshaj tawm: Lub Ib Hlis-09-2026