Tshwj xeeb steel, uas yog, tshwj xeeb steel, yog hom tseem ceeb tshaj plaws ntawm cov hlau siv nyob rau hauv feem ntau kev lag luam ntawm lub teb chaws kev lag luam, xws li machinery, tsheb, tub rog kev lag luam, tshuaj, khoom siv hauv tsev, nkoj, tsheb thauj mus los, railways thiab cov lag luam tawm tshiab.Tshwj xeeb steel yog ib qho tseem ceeb sy...
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