faulty weld 中文意思是什麼
faulty weld
解釋
有缺陷焊縫-
Upgrading of castings to meet x - ray quality needs relies on the grinding out of faulty areas, weld repairs, heat treatment, and retest and examination
鑄件的改進要滿足x射線質量的要求就要靠缺陷部位的磨削,焊補,熱處理和重復測試和檢驗。
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