SNT-TC-1A 关于无损测试作业人员资格认定与证书的意见
SNT-TC-1A Recommended Practice for Personnel Qualification and Certification in Nondestructive Testing
2级和3级操作人员，持有美国无损检测协会（ASNT）资格证，并且具有无损探伤作业的相关经验。
Evidence that Level 3 and Level 2 operatives hold appropriate ASNT qualifications and have relevant experience in NDE activities.
必须由具有专业资格的人员进行接线作业，否则有触电危险。
The wiring must be carried out by qualified personnel, otherwise electrocution can occur.
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