求翻译：埋弧自动焊是用焊剂进行渣保护，焊丝为一电极在焊剂层下引燃电弧燃烧。因电弧在焊剂包围下燃烧，所以热效率高；焊丝为连续的盘状焊丝，可连续馈电；焊接无飞溅，可实现大电流高速焊接，生产率高；金属利用率，焊接质量好，劳动条件好。埋弧焊适于平直长焊缝和环焊缝的焊接。是什么意思？

Automatic submerged arc welding with flux residue to protect the wire as an electrode under flux layer ignition arc. Arc flux surrounded by burning, so the high thermal efficiency; wire continuous discoid wire, continuous feed; welding spatter, high-current high-speed welding, high productivity; met

Arc welding is automatically used for Flux cored welding wire, Java protection for a electrode in the flux level fire arc burning. In flux due to arcing surrounded by high-efficiency combustion, so for a continuous Flux cored welding wire; the disc-shaped solder and is capable of providing continuou

Buries the arc to weld is automatically carries on the dregs protection with the solder, the welding wire is an electrode ignites electric arc burning under the solder level.Because the electric arc burns under solder surrounding, therefore the thermal efficiency is high; The welding wire is the con

Automatic submerged arc welding using flux residue protection wire electrode electric arc combustion ignition under the burden. ARC flux surrounded by burning, high heat efficiency; for continuous plate of flux-cored wire flux cored wire, continuous feed; welding spatter-free, to achieve high curren

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