保护式电弧焊

自药皮焊条开始焊接材料已发展成为更高效的埋弧焊焊材和气保焊焊材，并能更容易地结合自动化焊接和机器人焊接。

shielded

shielded cable

shielded twisted-pair cable

gas-shielded welder

anti-coincidence-shielded Ge gamma-ray spectrometer

shielded wire

noiseshielded

shielded inert-gas metal arc welding