M42的知识精选

“M42”可以造什么句,M42造句
1、DevelopmentM42HSSHigh-FrictionWeldingProcess;2、EffectofQuenchedGrainSizeandTemperedCarbideonWearabilityofM42High-speedSteel3、StudyonsinteringprocessofP/MM42highspeedsteelpreparedbysparkplasmasint...
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