英语词汇“ultrasonic action”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	ultrasonic action
释义	ultrasonic action 基本例句超声作用 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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