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| carbon equivalent (【技】将铸铁和钢中合金元素对某些性能的影响折合成碳的相当含量，用以判定该钢铁材料特定性能的倾向。例如钢中碳当量数值越高，被焊钢材的淬硬倾向越大，热影响区就越容易产生裂纹。) | |||
| equivalent carbon content | |||
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| carbon equivalent | |||
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