压缩-扩展器 compressor and expander: 压缩与扩张器compressor expander: 压缩扩展器compressor-expander: 压缩-扩展器compander: 压扩器; 压伸器; 压缩扩张器; 展缩器audio compressor-expander: 声频压缩扩展器下载手机词典可随时随地查词查翻译