炮尾环;
Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed.
根据降低应力集中的理论和技术措施,在现有常用的炮尾闩室圆角的基础上,提出了十几种圆角形式。
In order to meet the technical requirement of breech ring blank, the past single piece forging for high& mid-strength steel breech ring blank was changed into multiple length forging.
在满足炮尾毛坯锻件技术要求的前提下,采用倍尺锻造法和直接拔长工艺代替传统的单件锻造工艺。
纳米英语 · 英语词汇
纳米英语 · 双语娱乐资讯