two-stage amplifier

进出口行业词... ... two-stage air pump 两级空气泵 two-stage amplifier 两级放大器 two-stage axial-flow fan 两级轴流式风机 ...

海洋航海及海运... ... two-spool engine 双路式发动机 two-stage amplifier 双级放大器 two-stage centrifugal pump 两级离心泵 ...

英语单词amplifier是什么... ... twist amplifier 扭转放大器 two-stage amplifier 二级放大器 two-wire amplifier 二线制放大器 ...