ultrasonic action

  • 超声作用

ultrasonic action的用法和样例:

例句

  1. 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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