secondary refining meaning in English
二次精炼
Examples
- The secondary refining technology of steel for heavy rail has been comprehensively discussed in view of processes , equipment and automatic control , which provides valuable references for the production of the steel for heavy rail
从工艺、设备、自动控制等方面对重轨钢的炉外精炼技术进行了较全面的论述,对重轨钢铁生产具有较好的参考价值。