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| обратноступенчатая сварка | |||
| сварка обратноступенчатым способом; пилигримовая сварка | |||
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分段 退 焊 : 8 phrases in 4 subjects |
| Construction | 2 |
| General | 1 |
| Metallurgy | 1 |
| Technology | 4 |
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