At the furnaces in the centre of the compound, sparks shower down as a mechanical shovel fills a red-hot crucible with coal and iron ore; molten steel pours from another.
在厂区中央的熔炉那里，随着机械铲把煤和铁矿石装满通红的坩埚当中，火星飞溅；铁水从另一个坩埚中注入。
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This article described the determination of hydrogen in steel, copper, niobium, tantalum and titanium with ceramic crucible by high frequency induction-thermal conductivity method.