Ua ntej, cov ntsiab lus tseem ceeb thiab kev siv ntau yam ntawm carbon structural steel Carbon structural steel yog hais txog steel cov ntaub ntawv uas muaj cov ntsiab lus ntawm tsis ntau tshaj 2.11%, uas yog dav siv nyob rau hauv manufacturing, tsim, metallurgy, shipbuilding, machinery manufacturing, roj av thiab tshuaj i. ..
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