material for ultrasonic transducer的意思|示意

释义超声换能器材料 ultrasonic sensor ultrasonic transducer 超声波传感器 material for ultrasonic transducer 释义超声换能器材料 multiple ultrasonic transducer combination 多超声波换能器组合 ..

超声换能器材料 超声换能器材料 material for ultrasonic transducer; transducer,material for ultrasonic 穿刺超声换能器 puncture transducer .