有色冶炼厂房事故坑附近工字型钢柱在炉料热作用下的耐火稳定性验算
유색야련엄방사고갱부근공자형강주재로료열작용하적내화은정성험산
Evaluation of Fire-Resistance of Steel Columns Exposed to Red-Heat Furnace Charge in Safety Pit
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