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硅铬钒弹簧钢
met.
silicon-chromium-vanadium spring steel
(【技】在硅铬弹簧钢的基础上补加钒元素的合金弹簧钢,具有强度高、耐热性好等优点,可用于制做破碎机弹簧、汽轮机阀簧等工作应力高、工作条件恶劣的弹簧。)
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