The major advantages include quick temperature rising, high throughput of cold charge and short operating period, and points out aspects needing to be further improved.
介绍了氮气底吹透气砖技术的开发，总结了该技术的实际使用效果：升温速度快、冷料处理量大、操作时间有所缩短等，指出了需要进一步完善的方面。
The major advantages include quick temperature rising, high throughput of cold charge and short operating period, and points out aspects needing to be further improved.
介绍了氮气底吹透气砖技术的开发，总结了该技术的实际使用效果：升温速度快、冷料处理量大、操作时间有所缩短等，指出了需要进一步完善的方面。
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