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| chromium-manganese spring steel (【技】以铬、锰为合金化元素的弹簧钢，是重要的合金弹簧类钢之一。具有淬透性高、脱碳敏感性小、抗氧化和耐腐蚀性能好、热处理后综合力学性能好等优点。) | |||
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