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| 焊接热影响区裂纹 | |||
| 焊道下裂纹 | |||
| 内部裂纹 | |||
| 焊缝下裂纹; 熔珠下裂纹; 焊珠不足的裂缝; 焊根裂纹 | |||
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underbead crack : 3 phrases in 3 subjects |
| Business | 1 |
| Metallurgy | 1 |
| Technology | 1 |
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