A wave trap is very useful for crystal set reception, but is also great for reducing strong signals on a regenerative receiver.
一个陷波器是非常有用的水晶接待组，而且是伟大的接收信号强的再生减少。
A wave trap is very useful for crystal set reception, but is also great for reducing strong signals on a regenerative receiver.
一个陷波器是非常有用的水晶接待组，而且是伟大的接收信号强的再生减少。
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