professional qualification certification training
专业资格认证培训
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The operators for critical and special process must be provided with special and professional training, and can only be allowed to work with qualification certification.
关键工序、特殊工序操作人员要经过专门、专业培训后，持证上岗。
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