- 體保護金屬極電弧焊，電焊
- shielded metal arc welding (smaw): 焊條電弧焊
- smaw is shielded metal arc welding: 氣體保護金屬極電弧焊
- smaw is shielded l arc welding: 氣體保護金屬極電弧焊
- shield metal arc welding (smaw): 金屬被覆電弧焊
- smaw shield metal arc welding: 手工焊
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smaw (shielded metal arc welding)中文什么意思
- 體保護金屬極電弧焊，電焊
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