... 倒砗动力 backing (or astern) power 托圈,背圈 backing ring 背托条(焊接) backing strap (or strip) ...
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研究结果可为转炉托圈的优化设计和使用提供可靠的依据。
The present results can provide beneficial reference data and guide for the design and operation of converter loops.
采用新方法安装了酒泉钢铁公司炼钢厂3号转炉的托圈，使用效果很好。
A new method was used to install successfally the ring on No. 3 converter at JISCO.
研究了转炉托圈的焊接工艺，结合拉伸试验、冲击试验、断口和金相组织分析，进行了焊接工艺的评定。
The welding process of converter ring was studied. By means of tensile and impact test, fractures and microstructure analysis, the evaluation of the welding process was made.
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