preamplifier的用法和样例：
词汇搭配
- antenna preamplifier 天线前置放大器...
- microphone preamplifier 话筒前置放大器...
- preamplifier tuner 前置放大器调谐器...
- signal preamplifier 前置信号放大器...
- parametric preamplifier 参数前置放大器...
- camera preamplifier 摄象机预放器...
- ECG preamplifier 心电前置放大器...
- preamplifier stage 前置放大级
- read preamplifier 读出前置放大器...
- audio preamplifier 前置声频放大器...
- cascode preamplifier 共阴共栅前置放大器...
- video preamplifier 视频预放器
- dual preamplifier 双前置放大器...
- maser preamplifier 脉泽前置放大器...
- tunable preamplifier 可调前置放大器...
- tape preamplifier 磁带录音机前置放大器...
