... 公众多媒体接入（通信）系统 public multimedia access system 功放单元 Power Amplifier Unit PAU 功放管 power amplifier tube ...
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Power amplifier unit formats are 2U 19", balanced input 6dB and 100 volts line output."
功率放大器的单位形式是2U 19”， 6分贝平衡输入和100伏水平输出。
While it had excellent sound quality, the low efficiency of the power amplifier unit made commercialization difficult.
尽管它有非常出色的音质，但是由于功率利用率低的问题，商业化是比较困难的。
The company now has more than technology development personnel, has professional unit production workshop, the manufacturing workshop, power amplifier production workshop and assembly workshop.
公司现拥有多名技术开发人员，有专业的单元生产车间、箱体制造车间、功放生产车间及组装配套车间。
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