求翻译：对于以前培训过获得证书的人员，或者在培训后12月内未获得的证书的人员，必须进行补习培训。至少，补习培训应该包括产品、色斑配置、操作及标准化、专门的操作程序、适用技巧、解释和评估NDT结果、安全、以及适用的法典、标准及规范。每个主题的教学深度由负责的3级人员确定。是什么意思？

Obtaining a certificate for the previously trained personnel, or December after training has not been with the certificate of the officer must be remedial training. At least, tutor training should include product, pigmentation configuration standardization, special operations, operation and procedur

For the previous trained to obtain the certificate, or after the training of personnel in December, the staff did not receive the certificate must be carried out remedial training. At least, remedial training should include the product, BOTs configuration, operation and standardization, specialized

Regarding beforehand has trained the personnel who obtains the certificate, or certificate personnel who in December has not obtained after training, must carry on enrolls in supplementary lessons training.At least, enrolls in supplementary lessons training to be supposed to include the product, the

Obtaining a certificate for the previously trained personnel, or December after training has not been with the certificate of the officer must be remedial training. At least, tutor training should include product, pigmentation configuration standardization, special operations, operation and procedur