piezo-electric loudspeaker

航海及海运专... ... piezo-crystal unit 压电晶体 piezo-electric loudspeaker 压电晶体扬声器 piezo-electric modulus 压电系数 ...

piezo是什么意思_piezo的中文释义_用法... ... piezo-electric frequency 压电频率 piezo-electric loudspeaker 压电式扬声器 ...