基本释义:

焊工合格证

网络释义

1)welder qualification/ welder qualified certification,焊工合格证

2)certification of welder approval,合格证焊工

3)certificate of welder's quality,焊工合格证书

4)qualified welder,合格焊工

5)works test certificate,工厂合格证

6)qualification welding operator,合格自动焊工