特种作业操作资格证书
Special Operations Operation Qualification Certificate
以上为机器翻译结果，长、整句建议使用 人工翻译 。
焊工必须按国家有关规定经专门的安全作业培训，掌握焊割安全技术，取得特种作业资格证书后，方可上岗操作。
Welders should be trained according to prescribe by the state authority, and mastering proper techniques of welding, only with special type of certificates then can be allowed to work formally.
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