ultrasonic action的用法和樣例：
例句
- 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，在電弧超聲作用下，焊縫結晶組織明顯細化，焊縫區針狀鐵索體增加。
ultrasonic action的相關資料：
臨近單詞
ultrasonically
ultrasonic
ultrasonic extraction technique
ultrasonic microbubble detector
ultrasonic-assisted synthesis
ultrasonic surgical instruments
Ultrasonic guides for the blind
ultrasonic spot welding machine
ultrasonic cavitation treatment
ultrasonic diagnostic equipment
ultrasonic vibration extraction
ultrasonic assistant extraction
