| 单词 | shielded metal arc welding |
| 释义 | shielded metal arc welding in Mechanical Engineering (ʃildɪd mɛtəl ɑrk wɛldɪŋ) or SMAW noun (Mechanical engineering: Manufacturing and assembly) welding Shielded metal arc welding is a process in which a coated wire is melted to fill spaces between parts. The molten coating floats to the surface of the molten metal to protect it from the atmosphere. Shielded metal arc welding is also called stick welding and it uses the simplest equipment of any arc weldingprocess. In shielded metal arc welding, an electrical circuit is established between the workpiece and the welding electrode. Shielded metal arc welding is a process in which a coated wire is melted to fill spaces between parts. The moltencoating floats to the surface of the molten metal to protect it from the atmosphere. |
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