In there years, with the development of welding automation and arc welding robot, the amount of gas shielded wire are over a half of total amount of welding material.

• 近年来，随着焊接自动化和弧焊机器人的发展，国际上气保护焊丝的用量已超过焊材总用量的一半，在焊材中居主导地位。