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| 焊缝边沿; 焊边 | |||
| 沿型钢股边施焊焊缝 | |||
| 趾部焊缝 | |||
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toe weld : 10 phrases in 4 subjects |
| Metallurgy | 2 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
| Technology | 5 |
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