circumferential butt 中文意思是什麼

circumferential butt 解釋
環狀蓋板
  • circumferential : adj. 1. 周圍的,四周的。2. 委婉的。
  • butt : n 1 (釣竿、箭等的)粗端;(工具等的)柄,把,槍托;(樹木等的)殘端,根端;針腳;〈美俚〉屁股;...
  1. Method of ultrasonic inspetion and result classification of circumferential butt welds in steel pipes and tubes

    鋼制管道對接環焊縫超聲波探傷方法和檢驗結果的分級
  2. Methods of radiographic inspection and quality classification of circumferential fusion welded butt joints in steel pipes and tubes

    鋼管環縫熔化焊對接接頭射線透照工藝和質量分級
  3. Circumferential butt joint ring

    周邊對接圈
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