metallographic constituent assessment是什么意思 metallographic constituent assessment怎么读
metallographic constituent assessment的相关资料
metallographic constituent assessment的用法和样例
- Metallographic analyses show that the ultrasonic welding significantly refines the grains with more acicular ferrite appears in the fusion zone.
金相分析表明，在电弧超声作用下，焊缝结晶组织明显细化，焊缝区针状铁索体增加。
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