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| shielded metal arc welding | |||
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| metal-arc gas-shielded welding | |||
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气 保护金属极 电弧焊 : 18 phrases in 6 subjects |
| Aviation | 2 |
| Electronics | 1 |
| Metallurgy | 8 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Technology | 3 |
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