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词汇 weld joint zone
释义 weld joint zone
基本例句
焊缝区
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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