英语词汇sand tray是什么意思，sand tray的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	sand tray
释义	sand tray　砂盘(放蓄电池用)
随便看	feedback feedback feedback feedback action feedback adjustment feedback admittance feedback amplification feedback amplifier feedback attenuation feedback automation feedback bellows feedback branch feedback bridging fault feedback capacitance feedback capacitor feedback capacity feedback channel feedback characteristic feedback circuit feedback clamp circuit feedback coefficient feedback coil feedback communication feedback compensation feedback concept

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