On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
在管道接头外表面焊缝中心处的轴向残余应力为压应力,而环向残余应力为拉应力。
The gas pool position of trachea casing pipe, the end position of the trachea casing pipe and the position of trachea hoop against anonymous artery.
对气管套管气囊的位置、气管套管末端的位置及无名动脉对应的气管环的位置进行了观察。
The systemic study on reliability and reinforcement technique about hoop-stove chimney of the Bao-steel incorporated company steel pipe factory is made.
论文对宝钢钢管厂环形炉烟囱的可靠性和加固技术进行了系统研究。
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