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| lack of penetration; faulty fusion; incomplete fusion; lack of fusion; incomplete penetration; spill | |||
| cold shut; faulty; fusion; lack of fusion (дефект зварювання); poor penetration; batch stone (дефект скла) | |||
| undercooked pulp | |||
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непровар : 1 фраза в 1 тематиці |
| Металургія | 1 |