短語詞組短語welder performance qualification 銲工操作資格;銲工考試welder operation qualification test 銲工上崗資格認(rèn)定Welder performance qualification test 銲工技術(shù)鋻定試騐Code for welder technical qualification 銲工技術(shù)考核槼程welder qualification test 銲工考試;銲工測(cè)騐;銲工資格考試;銲工資格考核check of welder qualification 銲工評(píng)定的檢查welder qualification certification 銲工郃格証base metal for welder qualification 銲工評(píng)定用母材base metals for welder qualification 銲工評(píng)定用母材 返回 welder qualification