 |
| |||
| single recertification (在职工的单项合格证过期之前，通过书面和/或实际操作考试以验证职工是否依然保持着工作操作上的合格技能而必须进行复考) | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips