托圈 meaning in English
backing ring
ring
Examples
- A type - new practical connection device for converter proper and its support ring
一种新型实用的转炉炉体与托圈的连接装置 - Analysis of cracks formed in the trunnion ring of converters in steel making plants and the reconstructive measures
炼钢厂转炉托圈裂纹产生原因分析及改造措施