火炮炮管除铜擦拭剂
decoppering cleaning agent for gun barrel
训练电磁环境
electromagnetic environment for training
爆电电源
ferroelectric power supply
泵电源电路的运行
pump power circuit operation
标准电源电压不足时的印刷电路板
normal source undervoltage pc card
标准电源电压监控板
normal source voltage monitoring card
不断电电源供给
power supply, uninterruptible
power supply
Uninterruptible