quick-cutting steel是什么意思 quick-cutting steel怎么读
quick-cutting steel的用法和样例
- The knife is made of high-speed steel.
这把刀是由高速钢制成的。 - The amount of residual austenite in high vanadium high speed steel was measured by ferromagnetism method.
采用铁磁性法测定了高钒高速钢中残余奥氏体量。
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