polyethylene capacitor

• 聚乙烯电容

polyethylene capacitor的用法和样例：

例句

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 The second resistor has been replaced by a capacitor.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。