quenched and tempered steel是什么意思 quenched and tempered steel怎么读
quenched and tempered steel的相关资料
quenched and tempered steel的用法和样例
- The application of nonhardened and tempered steel is predicted.
并预测了非调质钢的应用前景。 - New microalloy non-quenched-tempered steel was studied.
研制了一种新型微合金非调质钢。
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