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| 低温钢 (【技】适用于 -20°C 以下，甚至在-269° C 使用的钢种。低温钢除要求室温力学性能外，还必须具有良好的低温韧性。低温钢包括：低温高强度钢、2. 5%镍钢、3. 5%镍钢、5%镍钢、9%镍钢以及奥氏体不锈钢等。) | |||
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| 低温用钢 | |||
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steel for low-temperature service : 1 phrase in 1 subject |
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