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(huì)的焊工技術(shù)合格證書(shū)，或國(guó)際認(rèn)可的焊接資格證書(shū)或同等級(jí)的證書(shū)；
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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(zhǎng)輸管道的焊工考試項(xiàng)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(xiàng)目有效期為兩年，復(fù)證不要求基本知識(shí)考試，只進(jìn)行焊接操作技能考試。