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cryogenic high-strength steel
met.
低温高强度钢
(【技】指在低温下不仅具有良好的低温韧性,而且具有较高强度的钢种,主要有以下三类:①低合金低温高强度钢;②冷作硬化奥氏体不锈钢;③高强度不锈钢。)
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