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- modulated amplifier valve 调制放大器管
- high-frequency [H.F.] amplifier valve 高频放大电子管
- intermediate-frequency amplifier valve 中频放大电子管
- Power amplifier module amplifiers the sweep signal, driving the vibroseis push-and-pull the ground and forming elastic waves. 该电路采用准互补对称推挽电路，构成甲乙类放大，引入了多级反馈保证整个信号通道能非常稳定可靠地工作，并充分考虑了散热问题和保护电路的设计。
- modulating amplifier by variable reactance 变抗调制放大器,可变电抗调制放大器
- I bought an amplifier yesterday. 我昨天买了一个扩音器。
- self-exciting modulating amplifier 自激式调制放大器
- Have you turned off the water valve? 你关掉水阀了吗？
- PWM pulse width modulation amplifier 巴特沃思低通滤波器
- pulse width modulation amplifier 脉宽调制放大器
- modulating amplifier by variable reactan 可变电抗调制放大器
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- pulse-width modulation amplifier 脉(冲)宽(度)调制放大器
- modulating amplifier using varia-ble reactance [电] 使用变抗的调制放大器
- modulation amplifier by variable reactan 靠改变电抗的调整放大器
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- The power of the modulated carrier wave is increased by the RF power amplifier. 射频功率放大器增加了调变载波的功率。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- Her voice was modulated to a ghostly cheerfulness. 她的声音是愉快的，但做作得可怕。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
