前级扩大机 qiánjíkuòdàjī preamplifier Definitions Defs Origin Strokes Stroke Words Sentences Sents 前级扩大机 前級擴大機 qiánjíkuòdàjī preamplifier The front portion of a sound amplification system, primarily used as a switch to select between various input sources.
前级扩大机 前級擴大機 qiánjíkuòdàjī preamplifier The front portion of a sound amplification system, primarily used as a switch to select between various input sources.
