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| 水冷电极 (【技】为降低石墨电极的消耗，在石墨电极的上部用水冷金属件来代替，和电弧相接的部分仍为石墨。) | |||
| 水冷电极 | |||
| water-cooled electrode: 12 phrases in 3 subjects |
| Metallurgy | 9 |
| Shipbuilding | 2 |
| Technology | 1 |
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