青云翻译

rt2 level nondestructive testing theory, welding basic knowledge, basic knowledge of the assessment piece, piece of assessment practical, films and washing operations.

RT2 nondestructive testing theory, basic knowledge of welding, basic knowledge assessment, evaluation of actual operation, filmmakers and film the action.

The RT2 level lossless examination theory, the welding elementary knowledge, comment the piece elementary knowledge, comment the piece actual operation, shoot a movie and develop film the operation.

RT level 2 NDT and welding theory, basic knowledge of film review basic knowledge, practical action, shooting film and money-based operation.

RT2 nondestructive testing theory, basic knowledge of welding, basic knowledge assessment, evaluation of actual operation, filmmakers and film the action.