welder qualification

短語詞組

短語

• welder performance qualification 焊工操作資格;焊工考試
• welder operation qualification test 焊工上崗資格認定
• Welder performance qualification test 焊工技術(shù)鑒定試驗
• Code for welder technical qualification 焊工技術(shù)考核規(guī)程
• welder qualification test 焊工考試;焊工測驗;焊工資格考試;焊工資格考核
• check of welder qualification 焊工評定的檢查
• welder qualification certification 焊工合格證
• base metal for welder qualification 焊工評定用母材
• base metals for welder qualification 焊工評定用母材
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