... piezocrystal 压电晶体 piezocrystal transducer 压电晶体换能器 piezodielectric 压电介质的 ...
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The utility model relates to a two-polarity ultrasonic transducer, composed of a fastener, a reflecting plate, a piezocrystal, a sound direction output plate, and an oscillation amplifying circuit.
本实用新型涉及一种双极式超声波换能器，它由紧固件、反射板、压电晶体、单向输出板、振荡放大电路等组成。
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