... breech loading 后膛装填的(后装式)... breech ring 炮尾环 breech wool 大腿粪块毛 ...
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breech ring blank 炮尾毛坯
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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。
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