青云翻译

Home and abroad have developed a corresponding mandatory regulations or procedures are made clear: producers must stress or load of the preparation of welding procedures welding joints, and must be appropriate standards, through welding procedure qualification welding procedures verify the feasibili

Both at home and abroad to develop the appropriate mandatory manufacturing regulations or statutes are clearly defined: manufacturing enterprises must be on compressive bearing capacity of welded joints or preparation of welding procedure specification, and is in accordance with appropriate standard

Domestic and foreign has all drawn up the corresponding compulsory manufacture laws and regulations or the regulations all explicitly stipulated that,The production enterprise must to the bearing or the load bearing weld joint establishment welding technological process, and must according to the co

Both domestic and foreign, have developed corresponding mandatory manufacturing regulations or statutes have clearly defined: production enterprises have to put pressure on the welding or hosting a point solder joints, and must be prepared to equivalent standards, through a point solder solder the f

Both at home and abroad to develop the appropriate mandatory manufacturing regulations or statutes are clearly defined: manufacturing enterprises must be on compressive bearing capacity of welded joints or preparation of welding procedure specification, and is in accordance with appropriate standard