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| 真空电弧再熔炼 | |||
| 真空电弧熔炼; 真空电弧重熔 (ВДП) | |||
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| 真空电弧熔铸; 真空电弧重熔; 真空电弧熔铸真空电弧重熔 | |||
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вакуумно-дуговой переплав : 3 phrases in 1 subject |
| Metallurgy | 3 |
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