JT/T 33.10-1993 Technical grade standards for workers in the transportation industry Highway engineering and navigation engineering test workers (English Version)
This standard specifies the levels, knowledge, skills and work examples of test workers. This standard applies to the training, assessment and use of highway engineering and navigation engineering test workers.
JT/T 33.10-1993 history
1970JT/T 33.10-1993 Technical grade standards for workers in the transportation industry Highway engineering and navigation engineering test workers