polyethylene capacitor

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  • 聚乙烯电容
    1. The second resistor has been replaced by a capacitor.
      第二个电阻已由一个电容所代替。
    2. The tweeter emits the sound wave, then the capacitor microphone receives the echo.
      其声波由电动扬声器发射,声波接收采用电容传声器。