| 单词 | tool steel |
| 释义 | tool steelnoun1 : hard usually electric steel capable of being tempered so as to be especially suitable as a material for tools 2 : a high-carbon or alloy steel used to make a cutting tool for machining metals 3 : steel used to make tools and dies for various purposes (as press tools, die-casting dies, forging dies, or extrusion tools) |
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