A moted of the nondestructive examination for the autofrettage residual stresses is introduced , in this paper.介绍了一种自增强残余应力无损检测的方法....

frettage的音标：frettage的英式发音音标为：['fretɪdʒ]frettage的美式发音音标为：['fretɪdʒ]...

n.自紧法...

n.炮尾环的退缩，（总称）炮尾环...

autofrettage的音标：autofrettage的英式发音音标为：[ɔ:təʊf'retædʒ]autofrettage的美式发音音标为：[ɔtoʊf'retædʒ]...