The industrial tests have shown that the service life of new alloy cast iron crucible is 2-3 times as long as ordinary grey cast iron crucible.
工作试验结果表明，新材质制造的坩埚使用寿命是普通铸铁坩埚的2—3倍。
The industrial test results have shown that the service life of new low alloy cast iron crucible is 2-3 times as long as ordinary grey cast iron crucible.
工业试验结果表明，新材质制造的坩蜗使用寿命是普通铸铁坩埚的2 ~3倍。
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。
Medium silicon heat-resisting nodular cast iron has been chosen instead of common grey iron to make cast aluminium crucible according to the work condition. making process and cost of the crucible.
依据铸铝坩埚的服役条件，制造工艺和成本要求，选择中硅耐热球铁取代普通灰口铸铁制造铸铝坩埚。
Steel made by the mixture of molten wrought iron, charcoal, and other substances in a crucible.
熟铁、木炭和其他物质在中熔化后形成的混合物制成的钢。
Steel made by the mixture of molten wrought iron, charcoal, and other substances in a crucible.
熟铁、木炭和其他物质在中熔化后形成的混合物制成的钢。
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