The liquid penetration method, procedure, defect indication and indication characters of pipe welds in boiler were described simply in this article.
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美
- 对锅炉管道焊缝液体渗透检测方法、操作程序、缺陷显示及痕迹特征作了简单介绍。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries