welder qualification test

基本解釋

Possession of a welders test certificate of "The Welder's Qualification Test Committee of China Aero-Space Industry" or an approved and international recognized standard. ;
擁有航空航天焊技術(shù)考核委員會的焊工技術(shù)合格證書，或國際認(rèn)可的焊接資格證書或同等級的證書；
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The project position of welder qualification test for long transporting pipe depends on vertical down welding basically, which is namely fixed pipe with axis horizontal welding (5GX).
長輸管道的焊工考試項目位置基本以向下焊為主，即水平固定全位置焊（5GX）。
The period of validity of special equipment welder qualification test is 2 years. And certificate re-examination only needs the welding operation skill test, not needing basic knowledge test.
特種設(shè)備焊工合格項目有效期為兩年，復(fù)證不要求基本知識考試，只進行焊接操作技能考試。