the operator shall be certified.
特殊工作岗位的人员应参加相应的各级培训,进行资格考核合格后持证上岗.
Those special jobs require pre-job training and the operator shall be certified.
特殊工作岗位的人员应参加相应的各级培训,进行资格考核合格后持证上岗.
Those special jobs require pre-job training and the operator shall be certified.
温馨提示：内容为网友见解，仅供参考
相似回答
