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| 硅锰弹簧钢 (【技】以硅、锰为合金化元素的弹簧钢。其弹性极限、强度、屈强比、疲劳强度等指标均很高，是应用广、用量大的合金弹簧钢种类之一。) | |||
| silicon-manganese spring steel: 3 phrases in 2 subjects |
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