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| 碳当量 (【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。) | |||
| 碳含量当量低合金或高锰碳钢 Z | |||
| carbon equivalent: 19 phrases in 9 subjects |
| Bioenergy | 1 |
| Chemistry | 1 |
| Earth sciences | 2 |
| General | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 2 |
| Oil processing plants | 4 |
| Rail transport | 1 |
| Technology | 2 |
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