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| 合金工具钢 (【技】除了含较高的碳以外，还含有不同合金元素的钢。按合金元素的含量，可分为低合金工具钢和高合金工具钢。与碳素工具钢相比，它有高的淬透性、高硬度、较好的韧性、好的热强性、耐磨性和热硬性。主要用于制造要求高、尺寸大的量具、刃具、热作模具和冷作模具。) | |||
| alloy tool steel: 9 phrases in 2 subjects |
| Metallurgy | 5 |
| Technology | 4 |
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